The document provides an overview of building applications on the Facebook platform including open distribution to millions of users, integration capabilities, architecture components, and resources. It discusses using the canvas and profile for viral distribution and embedding applications. It also summarizes the API, FQL, FBML, and architecture when building Facebook applications.

1. Building Applications on Facebook Platform David Zhuang Entrepreneur’s Playfield

5. Canvas: Embedded Application Left Nav Canvas

6. Home Page: Viral Distribution Left Nav News Feed

7. Profile: Viral Distribution Left Nav News Feed Profile Box

8. Architecture: Traditional Web App Web/App Server Database 1. HTTP Request 2. HTML Response SQL Query Data Your Server

9. Architecture: Facebook App - Canvas Web/App Server Database 1. HTTP 6. HTML SQL Query Data Your Server Facebook Server 2. HTTP / REST 3. API / FQL 4. API Rsp 5. FBML

10. Architecture: Facebook App - Profile 0. API / FBML (Pushed Separately) Web/App Server Database 1. HTTP 2. HTML SQL Query Data Your Server Facebook Server

16. FBML Tags Example: Markup Tags Code: <fb:dashboard> < fb:action href=&quot;new.php&quot;>Create a new photo album </fb:action> < fb:action href=&quot;you.php&quot;>Photos of You </fb:action> </fb:dashboard> Preview:

17. FBML Tags Example: Procedural Tags Code: < fb:if-can-see uid=&quot;12345&quot; what=&quot;profile&quot;> You're allowed to see 12345's profile, chum! <fb:else> No profile for you! </fb:else> </fb:if-can-see>

20. Contact Info David Zhuang [email_address]