Follow Fast Company's roadmap to social media: surefire rules, data, and expert wisdom guaranteed to show why this market is completely unpredictable.
1 Facebook tweaked its all-powerful algorithm.
These swings correspond to tweaks of Facebook's EdgeRank algorithm, which have alternately made social readers prominent or hidden in news feeds. "Developers have to stay nimble," says Inside Network research analyst Bonnie Ho. "Facebook can make changes at any moment that dramatically affects their business."
2 Facebook likes video—for now.
A version of this article appeared in the September 2012 issue of Fast Company magazine.