Twitter to sell users' old tweets to marketers

For years now, companies have been combing through Twitter postings, trying to glean any information that may help them improve their products and services.

Source: http://rss.cnn.com/~r/rss/cnn_latest/~3/joTNKZHDC5w/index.html

Eliza Dushku Adriana Lima Rihanna Pippa Middleton