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Calacanis Splits With Arrington, Boots Up New Tech Conference

Jason Calacanis, CEO of Santa Monica-based search site Mahalo, said Tuesday afternoon that he and TechCrunch's Michael Arrington have parted ways, and will no longer be running the TechCrunch50 conference. According to Calacanis, in a letter to his private email distribution list, he is starting a new conference called the Launch Conference. Calacanis says the new conference will be "the same exact as TechCrunch50" except that he will invest all of the profits from the conference into the companies that present.