StraightUpSocial News Links for 2/26/2010

Facebook Patents The News Feed

Nick O’Neill at All Facebook shares the details of a patent awarded this week to Facebook for “Dynamically providing a news feed about a user of a social network”.

CitySearch Is Building Out The Definitive Directory Of Local Business Tweets

Erick Schonfeld at TechCrunch takes a closer look at CitySearch’s growing directory of Twitter business accounts and tweets about local businesses.

Has Digg Found the Winning Formula for Ads?

Jennifer Van Grove at Mashable follows up on Digg’s four month old advertising program called DiggAds, which so far has been a success for the news sharing site.