StraightUpSocial News Links for 11/30/2009

Twitter Ads Are Evil: Here’s Why

Pete Cashmore at Mashable shares his opinion on why paying Twitter users to tweet ad messages is a bad idea for advertisers.

Study: Males vs. Females In Social Networks

Royal Pingdom takes a closer look at the male to female user ratio of 19 social networking sites.

Twitter Doesn’t Track The Zeitgeist

Erick Schonfeld at TechCrunch shares an analysis of 10 million tweets that shows only 2% of Twitter status updates match trending search terms.