Twitter expands mobile advertising (Reuters)

[unable to retrieve full-text content]Reuters - Twitter will expand its advertising program for the Apple Inc iPhone and Google Inc Android devices, hoping to better tap into its growing mobile user base and ramp up revenue.

Source: http://us.rd.yahoo.com/dailynews/rss/personaltech/*http%3A//news.yahoo.com/s/nm/20120228/wr_nm/us_twitter_advertising

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