"Today, just fourteen months after we demo’d CoTweet publicly for the first time, I’m thrilled to announce that CoTweet has signed a definitive agreement to be acquired by ExactTarget, the leading provider of on-demand email and one-to-one marketing solutions."
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CoTweet aquired by ExactTarget
First exit in the Twitter ecosystem?
Update: in the comments, Sitar points out to Summize. They got acquired by Twitter directly still leaving the question if CoTweet is the first “not-by-Twitter” exit.
