• Adweek, Thursday, October 15, 2009 10:15 PM

This week the broadcast networks have been moving to the iPhone in a big way. On Thursday, ABC launched a free application for "Dancing With the Stars" which fans can use to vote each week for contestants. The app also serves as a personal dance instructor for users, with step-by-step instructions for the mambo, tango and other dances.

The same day, CBS News debuted a free app that offers breaking news and allows users to view Twitter feeds from 40 news reporters. Users can also see full episodes of several original CBS News Web series via the app.

Earlier this week, the CW Network rolled out an app sponsored by Target Stores that helps fans of "Gossip Girl," "90210" and "Melrose Place" locate real-world restaurants, bars, and other locales featured in those dramas.

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