1. Why I LIKE the Facebook Database… Sharon Viente May 2010

2. About Me

3. Agenda Some Numbers Site Elements The context of ME Database Structure Open Graph Protocol Realization and Monetizing Future Plans

4. Some Numbers More than 400 million active users 50% of our active users log on to Facebook in any given day Average user has 130 friends People spend over 500 billion minutes per month on Facebook There are over 160 million objects that people interact with (pages, groups and events) Average user is connected to 60 pages, groups and events Average user creates 70 pieces of content each month More than 25 billion pieces of content (web links, news stories, blog posts, notes, photo albums, etc.) shared each month. More than 550,000 active applications currently on Facebook Platform More than 250,000 websites have integrated with Facebook Platform There are more than 100 million active users currently accessing Facebook through their mobile devices. You are worth as much as your CONNECTIONS.

5. Site Elements User Info Likes Interests Activities Page Wall Group Fan Content Images Text Video Groups Join Updates Apps Access Link Statistics Chat With Buddies Presence Location Cellular Images Geotag You are linked to any other person linked on any other element: Friends Groups Events Likes Apps … Facebook Services – Everything! Blog (Wall+comments) + Microblogging (Twitter like) – “What’s on your mind” + Messages + Photo Sharing (Flicker) + Events (Evite) + Search (google) + Chat (MSN Messenger) + Applications All services are using the same database

6. The context The context of web browsing is more personal since it is derived from your person preferences: Friends /Groups /Likes Examples: -Apartment for rent -Job Hunt -Dating

7. Database Schema

8. Open Graph protocol Open Graph protocol / Connect -Single Sign On - Identity, network, and privacy settings. -External Like -

9. Facebook Data Pipeline Web ServersScribe Servers Network Storage Hadoop Cluster Oracle RAC MySQL Analysts Hive Queries Summaries

10. Ads Create an add  Target Audience: How many people will see my ad? Let’s find out

11. Future News Feed Optimization Page Integration Geo location Address Shortening Microblogging Image Recognition

12. Thank you