diff --git a/.astro/types.d.ts b/.astro/types.d.ts
index f8513411..7e36b02a 100644
--- a/.astro/types.d.ts
+++ b/.astro/types.d.ts
@@ -111,251 +111,251 @@ declare module 'astro:content' {
 	>;
 
 	const entryMap: {
-		"talks": {
+		"talk": {
 "about-drupal-association.md": {
   id: "about-drupal-association.md",
   slug: "about-drupal-association",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "automated-testing-test-driven-development-drupal-8.md": {
   id: "automated-testing-test-driven-development-drupal-8.md",
   slug: "automated-testing-test-driven-development-drupal-8",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "building-presenting-slide-decks-rst2pdf.md": {
   id: "building-presenting-slide-decks-rst2pdf.md",
   slug: "building-presenting-slide-decks-rst2pdf",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "building-static-websites-sculpin.md": {
   id: "building-static-websites-sculpin.md",
   slug: "building-static-websites-sculpin",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "configuring-all-the-things-drupal-8.md": {
   id: "configuring-all-the-things-drupal-8.md",
   slug: "configuring-all-the-things-drupal-8",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "dancing-for-drupal.md": {
   id: "dancing-for-drupal.md",
   slug: "dancing-for-drupal",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "decoupling-drupal-vuejs.md": {
   id: "decoupling-drupal-vuejs.md",
   slug: "decoupling-drupal-vuejs",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "deploying-drupal-fabric.md": {
   id: "deploying-drupal-fabric.md",
   slug: "deploying-drupal-fabric",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "deploying-php-ansible-ansistrano.md": {
   id: "deploying-php-ansible-ansistrano.md",
   slug: "deploying-php-ansible-ansistrano",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "deploying-php-fabric.md": {
   id: "deploying-php-fabric.md",
   slug: "deploying-php-fabric",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "drupal-8-module-development.md": {
   id: "drupal-8-module-development.md",
   slug: "drupal-8-module-development",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "drupal-8-php-libraries-drupalorg-api.md": {
   id: "drupal-8-php-libraries-drupalorg-api.md",
   slug: "drupal-8-php-libraries-drupalorg-api",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "drupal-8-rejoining-the-herd.md": {
   id: "drupal-8-rejoining-the-herd.md",
   slug: "drupal-8-rejoining-the-herd",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "drupal-8.md": {
   id: "drupal-8.md",
   slug: "drupal-8",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "drupal-ldap-module.md": {
   id: "drupal-ldap-module.md",
   slug: "drupal-ldap-module",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "drupal-vm-generator.md": {
   id: "drupal-vm-generator.md",
   slug: "drupal-vm-generator",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "drupal-vm-meet-symfony-console.md": {
   id: "drupal-vm-meet-symfony-console.md",
   slug: "drupal-vm-meet-symfony-console",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "drupalorg-2015.md": {
   id: "drupalorg-2015.md",
   slug: "drupalorg-2015",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "drush-make-drupalbristol.md": {
   id: "drush-make-drupalbristol.md",
   slug: "drush-make-drupalbristol",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "getting-your-data-into-drupal-8.md": {
   id: "getting-your-data-into-drupal-8.md",
   slug: "getting-your-data-into-drupal-8",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "git-flow.md": {
   id: "git-flow.md",
   slug: "git-flow",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "goodbye-drush-make-hello-composer.md": {
   id: "goodbye-drush-make-hello-composer.md",
   slug: "goodbye-drush-make-hello-composer",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "introduction-to-mob-programming.md": {
   id: "introduction-to-mob-programming.md",
   slug: "introduction-to-mob-programming",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "it-all-started-with-a-patch.md": {
   id: "it-all-started-with-a-patch.md",
   slug: "it-all-started-with-a-patch",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "modern-drupal-development-with-composer.md": {
   id: "modern-drupal-development-with-composer.md",
   slug: "modern-drupal-development-with-composer",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "out-of-the-box-initiative-update.md": {
   id: "out-of-the-box-initiative-update.md",
   slug: "out-of-the-box-initiative-update",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "so-what-is-this-drupal-thing.md": {
   id: "so-what-is-this-drupal-thing.md",
   slug: "so-what-is-this-drupal-thing",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "taking-flight-with-tailwind-css.md": {
   id: "taking-flight-with-tailwind-css.md",
   slug: "taking-flight-with-tailwind-css",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "tdd-test-driven-drupal.md": {
   id: "tdd-test-driven-drupal.md",
   slug: "tdd-test-driven-drupal",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "test-drive-twig-with-sculpin.md": {
   id: "test-drive-twig-with-sculpin.md",
   slug: "test-drive-twig-with-sculpin",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "things-you-should-know-about-php.md": {
   id: "things-you-should-know-about-php.md",
   slug: "things-you-should-know-about-php",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "upgrading-your-site-drupal-9.md": {
   id: "upgrading-your-site-drupal-9.md",
   slug: "upgrading-your-site-drupal-9",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "using-illuminate-collections-outside-laravel.md": {
   id: "using-illuminate-collections-outside-laravel.md",
   slug: "using-illuminate-collections-outside-laravel",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "working-with-workspace.md": {
   id: "working-with-workspace.md",
   slug: "working-with-workspace",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 "working-without-workspace.md": {
   id: "working-without-workspace.md",
   slug: "working-without-workspace",
   body: string,
-  collection: "talks",
-  data: any
+  collection: "talk",
+  data: InferEntrySchema<"talk">
 } & { render(): Render[".md"] },
 },
 
diff --git a/src/components/ListingPageItem.astro b/src/components/ListingPageItem.astro
index 3f67ea9a..3e15094f 100644
--- a/src/components/ListingPageItem.astro
+++ b/src/components/ListingPageItem.astro
@@ -6,8 +6,7 @@ interface ItemProps {
   title: string;
 }
 
-const { date, description, excerpt, title } = Astro.props.item.item
-  .frontmatter as ItemProps;
+const { date, description, excerpt, title } = Astro.props.item.item.data as ItemProps;
 const { slug } = Astro.props.item;
 ---
 
diff --git a/src/content/config.ts b/src/content/config.ts
new file mode 100644
index 00000000..723d95b0
--- /dev/null
+++ b/src/content/config.ts
@@ -0,0 +1,20 @@
+import { defineCollection, z } from 'astro:content';
+
+const talkCollection = defineCollection({
+  schema: z.object({
+    description: z.string(),
+    events: z.array(z.object({
+      date: z.string(),
+      location: z.string().optional(),
+      name: z.string(),
+      online: z.boolean().optional(),
+    })),
+    title: z.string(),
+    // TODO: add SpeakerDeck
+    // TODO: add Video
+  }),
+});
+
+export const collections = {
+  'talk': talkCollection,
+};
diff --git a/src/talks/about-drupal-association.md b/src/content/talk/about-drupal-association.md
similarity index 100%
rename from src/talks/about-drupal-association.md
rename to src/content/talk/about-drupal-association.md
diff --git a/src/talks/automated-testing-test-driven-development-drupal-8.md b/src/content/talk/automated-testing-test-driven-development-drupal-8.md
similarity index 100%
rename from src/talks/automated-testing-test-driven-development-drupal-8.md
rename to src/content/talk/automated-testing-test-driven-development-drupal-8.md
diff --git a/src/talks/building-presenting-slide-decks-rst2pdf.md b/src/content/talk/building-presenting-slide-decks-rst2pdf.md
similarity index 100%
rename from src/talks/building-presenting-slide-decks-rst2pdf.md
rename to src/content/talk/building-presenting-slide-decks-rst2pdf.md
diff --git a/src/talks/building-static-websites-sculpin.md b/src/content/talk/building-static-websites-sculpin.md
similarity index 100%
rename from src/talks/building-static-websites-sculpin.md
rename to src/content/talk/building-static-websites-sculpin.md
diff --git a/src/talks/configuring-all-the-things-drupal-8.md b/src/content/talk/configuring-all-the-things-drupal-8.md
similarity index 100%
rename from src/talks/configuring-all-the-things-drupal-8.md
rename to src/content/talk/configuring-all-the-things-drupal-8.md
diff --git a/src/talks/dancing-for-drupal.md b/src/content/talk/dancing-for-drupal.md
similarity index 100%
rename from src/talks/dancing-for-drupal.md
rename to src/content/talk/dancing-for-drupal.md
diff --git a/src/talks/decoupling-drupal-vuejs.md b/src/content/talk/decoupling-drupal-vuejs.md
similarity index 100%
rename from src/talks/decoupling-drupal-vuejs.md
rename to src/content/talk/decoupling-drupal-vuejs.md
diff --git a/src/talks/deploying-drupal-fabric.md b/src/content/talk/deploying-drupal-fabric.md
similarity index 98%
rename from src/talks/deploying-drupal-fabric.md
rename to src/content/talk/deploying-drupal-fabric.md
index a290e232..8d2f8efc 100644
--- a/src/talks/deploying-drupal-fabric.md
+++ b/src/content/talk/deploying-drupal-fabric.md
@@ -21,6 +21,7 @@ events:
     time: "15:00 - 15:40"
 
   - name: Drupal Somerset
+    location: Glastonbury, UK
     date: "2017-10-26"
 ---
 
diff --git a/src/talks/deploying-php-ansible-ansistrano.md b/src/content/talk/deploying-php-ansible-ansistrano.md
similarity index 99%
rename from src/talks/deploying-php-ansible-ansistrano.md
rename to src/content/talk/deploying-php-ansible-ansistrano.md
index feb14901..cae2cbbf 100644
--- a/src/talks/deploying-php-ansible-ansistrano.md
+++ b/src/content/talk/deploying-php-ansible-ansistrano.md
@@ -69,7 +69,6 @@ events:
 
   - name: Midwest PHP
     date: "2021-04-23"
-    location: ~
     url: https://midwestphp.org/talks/1q5XUF2tTdXXLYOoujMkpF/Deploying_PHP_applications_with_Ansible_Ansible_Vault_and_Ansistrano
     online: true
 
diff --git a/src/talks/deploying-php-fabric.md b/src/content/talk/deploying-php-fabric.md
similarity index 100%
rename from src/talks/deploying-php-fabric.md
rename to src/content/talk/deploying-php-fabric.md
diff --git a/src/talks/drupal-8-module-development.md b/src/content/talk/drupal-8-module-development.md
similarity index 100%
rename from src/talks/drupal-8-module-development.md
rename to src/content/talk/drupal-8-module-development.md
diff --git a/src/talks/drupal-8-php-libraries-drupalorg-api.md b/src/content/talk/drupal-8-php-libraries-drupalorg-api.md
similarity index 100%
rename from src/talks/drupal-8-php-libraries-drupalorg-api.md
rename to src/content/talk/drupal-8-php-libraries-drupalorg-api.md
diff --git a/src/talks/drupal-8-rejoining-the-herd.md b/src/content/talk/drupal-8-rejoining-the-herd.md
similarity index 100%
rename from src/talks/drupal-8-rejoining-the-herd.md
rename to src/content/talk/drupal-8-rejoining-the-herd.md
diff --git a/src/talks/drupal-8.md b/src/content/talk/drupal-8.md
similarity index 100%
rename from src/talks/drupal-8.md
rename to src/content/talk/drupal-8.md
diff --git a/src/talks/drupal-ldap-module.md b/src/content/talk/drupal-ldap-module.md
similarity index 100%
rename from src/talks/drupal-ldap-module.md
rename to src/content/talk/drupal-ldap-module.md
diff --git a/src/talks/drupal-vm-generator.md b/src/content/talk/drupal-vm-generator.md
similarity index 100%
rename from src/talks/drupal-vm-generator.md
rename to src/content/talk/drupal-vm-generator.md
diff --git a/src/talks/drupal-vm-meet-symfony-console.md b/src/content/talk/drupal-vm-meet-symfony-console.md
similarity index 100%
rename from src/talks/drupal-vm-meet-symfony-console.md
rename to src/content/talk/drupal-vm-meet-symfony-console.md
diff --git a/src/talks/drupalorg-2015.md b/src/content/talk/drupalorg-2015.md
similarity index 100%
rename from src/talks/drupalorg-2015.md
rename to src/content/talk/drupalorg-2015.md
diff --git a/src/talks/drush-make-drupalbristol.md b/src/content/talk/drush-make-drupalbristol.md
similarity index 100%
rename from src/talks/drush-make-drupalbristol.md
rename to src/content/talk/drush-make-drupalbristol.md
diff --git a/src/talks/getting-your-data-into-drupal-8.md b/src/content/talk/getting-your-data-into-drupal-8.md
similarity index 100%
rename from src/talks/getting-your-data-into-drupal-8.md
rename to src/content/talk/getting-your-data-into-drupal-8.md
diff --git a/src/talks/git-flow.md b/src/content/talk/git-flow.md
similarity index 100%
rename from src/talks/git-flow.md
rename to src/content/talk/git-flow.md
diff --git a/src/talks/goodbye-drush-make-hello-composer.md b/src/content/talk/goodbye-drush-make-hello-composer.md
similarity index 100%
rename from src/talks/goodbye-drush-make-hello-composer.md
rename to src/content/talk/goodbye-drush-make-hello-composer.md
diff --git a/src/talks/introduction-to-mob-programming.md b/src/content/talk/introduction-to-mob-programming.md
similarity index 94%
rename from src/talks/introduction-to-mob-programming.md
rename to src/content/talk/introduction-to-mob-programming.md
index 3fa8c6bd..f4e1c543 100644
--- a/src/talks/introduction-to-mob-programming.md
+++ b/src/content/talk/introduction-to-mob-programming.md
@@ -1,5 +1,6 @@
 ---
 title: An introduction to mob programming
+description: ''
 speakerdeck:
   id: f37b16f915d64bc0b4a20f9f965e5353
   ratio: 1.77725118483412
diff --git a/src/talks/it-all-started-with-a-patch.md b/src/content/talk/it-all-started-with-a-patch.md
similarity index 100%
rename from src/talks/it-all-started-with-a-patch.md
rename to src/content/talk/it-all-started-with-a-patch.md
diff --git a/src/talks/modern-drupal-development-with-composer.md b/src/content/talk/modern-drupal-development-with-composer.md
similarity index 100%
rename from src/talks/modern-drupal-development-with-composer.md
rename to src/content/talk/modern-drupal-development-with-composer.md
diff --git a/src/talks/out-of-the-box-initiative-update.md b/src/content/talk/out-of-the-box-initiative-update.md
similarity index 100%
rename from src/talks/out-of-the-box-initiative-update.md
rename to src/content/talk/out-of-the-box-initiative-update.md
diff --git a/src/talks/so-what-is-this-drupal-thing.md b/src/content/talk/so-what-is-this-drupal-thing.md
similarity index 100%
rename from src/talks/so-what-is-this-drupal-thing.md
rename to src/content/talk/so-what-is-this-drupal-thing.md
diff --git a/src/talks/taking-flight-with-tailwind-css.md b/src/content/talk/taking-flight-with-tailwind-css.md
similarity index 100%
rename from src/talks/taking-flight-with-tailwind-css.md
rename to src/content/talk/taking-flight-with-tailwind-css.md
diff --git a/src/talks/tdd-test-driven-drupal.md b/src/content/talk/tdd-test-driven-drupal.md
similarity index 100%
rename from src/talks/tdd-test-driven-drupal.md
rename to src/content/talk/tdd-test-driven-drupal.md
diff --git a/src/talks/test-drive-twig-with-sculpin.md b/src/content/talk/test-drive-twig-with-sculpin.md
similarity index 100%
rename from src/talks/test-drive-twig-with-sculpin.md
rename to src/content/talk/test-drive-twig-with-sculpin.md
diff --git a/src/talks/things-you-should-know-about-php.md b/src/content/talk/things-you-should-know-about-php.md
similarity index 100%
rename from src/talks/things-you-should-know-about-php.md
rename to src/content/talk/things-you-should-know-about-php.md
diff --git a/src/talks/upgrading-your-site-drupal-9.md b/src/content/talk/upgrading-your-site-drupal-9.md
similarity index 100%
rename from src/talks/upgrading-your-site-drupal-9.md
rename to src/content/talk/upgrading-your-site-drupal-9.md
diff --git a/src/talks/using-illuminate-collections-outside-laravel.md b/src/content/talk/using-illuminate-collections-outside-laravel.md
similarity index 100%
rename from src/talks/using-illuminate-collections-outside-laravel.md
rename to src/content/talk/using-illuminate-collections-outside-laravel.md
diff --git a/src/talks/working-with-workspace.md b/src/content/talk/working-with-workspace.md
similarity index 100%
rename from src/talks/working-with-workspace.md
rename to src/content/talk/working-with-workspace.md
diff --git a/src/talks/working-without-workspace.md b/src/content/talk/working-without-workspace.md
similarity index 95%
rename from src/talks/working-without-workspace.md
rename to src/content/talk/working-without-workspace.md
index ddba4bf7..d0fe3d6b 100644
--- a/src/talks/working-without-workspace.md
+++ b/src/content/talk/working-without-workspace.md
@@ -1,6 +1,6 @@
 ---
 title: Working without Workspace
-description: ~
+description: ''
 speakerdeck:
   id: dd406a45f04047fda765346b75efa3c3
   ratio: "1.77798682972719"
@@ -12,4 +12,3 @@ events:
     url: https://www.meetup.com/phplondon/events/292657869
     date: "2023-04-06"
 ---
-
diff --git a/src/env.d.ts b/src/env.d.ts
index f964fe0c..acef35f1 100644
--- a/src/env.d.ts
+++ b/src/env.d.ts
@@ -1 +1,2 @@
+/// <reference path="../.astro/types.d.ts" />
 /// <reference types="astro/client" />
diff --git a/src/pages/talks/[slug].astro b/src/pages/talks/[slug].astro
index aadd7719..b936668a 100644
--- a/src/pages/talks/[slug].astro
+++ b/src/pages/talks/[slug].astro
@@ -6,22 +6,21 @@ import Markdown from "~/components/Markdown.astro";
 import Slides from "~/components/talk/Slides.astro";
 import Video from "~/components/talk/Video.astro";
 import { getSlugFromFile } from "~/utils.ts";
+import { getCollection } from 'astro:content';
 
 export async function getStaticPaths() {
-  const talks = await Astro.glob("../../talks/*.md");
+  const talks = await getCollection('talk')
 
   return talks.map((talk) => {
-    const slug = getSlugFromFile(talk.file);
-
     return {
-      params: { slug },
+      params: { slug: talk.slug },
       props: { talk },
     };
   });
 }
 
-const { Content } = Astro.props.talk;
-const { events, speakerdeck, title, video } = Astro.props.talk.frontmatter;
+const { Content } = await Astro.props.talk.render();
+const { events, speakerdeck, title, video } = Astro.props.talk.data;
 ---
 
 <Layout title={title}>
diff --git a/src/pages/talks/index.astro b/src/pages/talks/index.astro
index 157ddcc2..a9416e8c 100644
--- a/src/pages/talks/index.astro
+++ b/src/pages/talks/index.astro
@@ -1,25 +1,24 @@
 ---
-import PageLayout from "~/layouts/PageLayout.astro";
-import _ from "lodash";
-import { getSlugFromFile } from "~/utils.ts";
 import ListingPage from "~/components/ListingPage.astro";
+import _ from "lodash";
+import { getCollection } from 'astro:content';
 
-const talks = await Astro.glob("../../talks/*.md");
+const talks = await getCollection('talk');
 
 const talkCount = _(talks)
-  .flatMap((talk) => talk.frontmatter.events)
+  .flatMap((talk) => talk.data.events)
   .size();
 
 const sortedTalks = talks
   .map((talk) => {
-    const slug = `/talks/${getSlugFromFile(talk.file)}`;
+    const slug = `/talks/${talk.slug}`
 
     return { slug, item: talk };
   })
   .sort((b, a) => {
     const events = [
-      a.item.frontmatter.events[a.item.frontmatter.events.length - 1],
-      b.item.frontmatter.events[b.item.frontmatter.events.length - 1],
+      a.item.data.events[a.item.data.events.length - 1],
+      b.item.data.events[b.item.data.events.length - 1],
     ];
 
     return (
diff --git a/tsconfig.json b/tsconfig.json
index 0e91d73f..3a34ec41 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,7 +3,8 @@
   "compilerOptions": {
     "baseUrl": ".",
     "paths": {
-      "~/*": ["src/*"],
-    }
+      "~/*": ["src/*"]
+    },
+    "strictNullChecks": true
   }
 }