Aardvark has, in a sense, returned to its roots. Or in other words: Two of the four men who created the social search engine are former Googlers, and now, it's been confirmed that the search giant's acquired Aardvark. Details regarding timeframes and the fate of Aardvark's technology and employees are sadly lacking at this point. "[A] source that has been briefed on the deal" just puts the purchase price at "around $50 million," according to Michael Arrington . Still,