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Twitter buys Tweetdeck, what does this mean for iPhone apps?

Twitter buys Tweetdeck, what does this mean for iPhone apps?
No sooner does Tweetdeck’s new, improved iPhone app hit the App Store than Twitter announces they’ve bought it, and right out from under UberMedia to boot.
This deal is defensive for Twitter, say all the sources we’ve spoken with over the last couple of months. They simply couldn’t allow UberMedia to have so much market share in this space. The company has acquired UberTwitter, EchoFon and a number of other Twitter-related startups. Adding TweetDeck to the UberMedia stable of products would give them too much leverage over Twitter, say our sources, and so Twitter made a strong defensive bid to disrupt the deal. Which succeeded nicely, apparently.
What this means for the Tweetdeck app, the official Twitter app? Could we see a Tweetdeck/Twitter for iPhone hybrid? Both kept on as separate apps? One abandoned completely to go all in on the other?