The New York Times reports that address-book service Plaxo is seeking up to $100 million from buyers. Reporter Andrew Ross Sorkin writes, "Plaxo, which has been overtaken by rivals like LinkedIn and Facebook, has tried to reinvent itself as an aggregate of information from other social networking sites," joining Google's OpenSocial initiative in November. That spiked usage among customers. Selling now may be not desperation, but timeliness.

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