Today Twitter announced that is agreed to acquire mobile-advertising firm TapCommerce. This is the second bit of advertising news from the social network today. The first being it was opening up Mobile App Promotions to all advertisers. In_a blog post about the acquisition_VP Global Online Sales, Richard Alfonsi wrote: Together with the TapCommerce team, Twitter will be able to offer mobile app marketers more robust capabilities for app re-engagement, tools and managed service solutions for real-time programmatic buying, and better measurement capabilities. The company offers mobile ad buying for multiple exchanges and offers mobile retargeting of users. According to a...

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