In the ongoing chess match for social media dominance, Facebook just made a move that is akin to saying "Check." Today, they launched Facebook Open Stream API.
This means developers can create apps based on the live feeds that users see when they log into Facebook. Users, however, can maintain the privacy controls that they want.
If you're familiar with the many desktop and mobile clients for Twitter, then you know what's coming - desktop and mobile apps for Facebook.
In fact, many are saying Facebook did this to compete directly with Twitter. What say you, oh dear SEW readers? Leave thy comments below.