1. A Two-Minute History
Invitations, Notifications,
& Feeds on Facebook
Graphing Social Patterns
October 9, 2007
Justin Smith
InsideFacebook.com justin@insidefacebook.com
Watercooler, Inc. justin@watercooler-inc.com
2. Since May 25
366 million apps in first
20 weeks (Adonomics)
>1 billion in first year?
14 million unique app
users in August (Compete)
88 million app visits
4:30 per visit
7. News Feed
Selection algorithm
Not published
Depends on individual
No built-in stats
> Only friends also with the
app see your feed items
8. Notifications
Friends of logged-in
user or anyone with app
Can still email (?)
Can get shut down
Not very transparent
Short view vs. long view
9. Questions/Issues
Design framework
How/when/why
Testing / optimization
Targeting
Analytics
Adapting to Platform changes
Often announced, sometimes documented
Spam