A Two-Minute History

Invitations, Notifications,& Feeds on Facebook

Graphing Social PatternsOctober 9, 2007

Justin Smithjustin@insidefacebook.comjustin@watercooler-inc.com

InsideFacebook.comWatercooler, Inc.

Since May 25 366 million apps in first

20 weeks (Adonomics) >1 billion in first year?

14 million unique appusers in August (Compete) 88 million app visits 4:30 per visit

Invitations

Initial bonanza Now volume limited

Starting to target No built-in stats

Invitations

Feeds

News and Mini Feedsintroduced Sept 2006 Broadcasts your activity Privacy concerns

Feeds

You can optimize Story Elements Calls to action

News Feed Selection algorithm Not published Depends on individual No built-in stats

> Only friends also with theapp see your feed items

Notifications

Friends of logged-inuser or anyone with app Can still email (?)

Can get shut down Not very transparent Short view vs. long view

Questions/Issues

Design framework How/when/why

Testing / optimization Targeting Analytics

Adapting to Platform changes Often announced, sometimes documented

Spam

Viral Strategy Panel

Blake Commagere, Mogad (Causes, Vampires, Zombies) Jia Shen, RockYou Jason Ackerman, TeachThePeople Tim O’Shaughnessy, HungryMachine