But it wasn't clear just what part of storage Microsoft is willing to give away, as Dave Winer so astutely pointed out to the first meeting of the (Gillmor) Identity Gang on New Year's Eve. "Everybody has to give something up to make this work," he said, and it may hold true here in this strange brew we're mixing. If Ozzie doesn't give storage away, well, then it will have to be a calendar. I've already got mail, no matter how cute Live Mail looks. But Office Dead gives coupons to calendaring, in the form of a subscription upsell. The fundamental problem is that Google/Yahoo/Skype can lose less by making an offer we won't refuse