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Yahoo has launched another social network that’s part My Yahoo and Myspace. Mash is currently in beta. TechCrunch has details.

Big question, what about the millions of people who put time and effor into building up their Yahoo 360? They better have an integration plan for users otherwise there will be plenty of pissed-off 360’ers.

Takeaway quote:

It is also appears as though Yahoo intends for users to mash their information together from across the company’s various properties, perhaps making Mash the main hub for Yahoo users.

Facebook for the rest of us?