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SXSW panelists: Mobile payments poised to take off in US

Mobile payments will become ubiquitous -- really, this time -- in the next few years, according to a panel discussion at the SXSW conference over the weekend.

Facebook adds Interest Lists, steps up rivalry with Twitter

Facebook will soon roll out an "Add Interests" menu option that allows its users to subscribe to content feeds by subject area, the company said on Thursday.

Zynga to launch games platform, invites third-party developers

Zynga will launch its own social gaming platform and open it up to third-party game developers.