I'll have a lot more to say about this later, but AOL plans to use AIM to launch a social network. One interesting aspect of the whole proposition is that users will get free phone numbers.
There are angles to this that aren't captured in any of the articles (but you'll get the basic scoop):
I'm out in meetings for the rest of the day, but I'll write an updated post later that goes into what I think is really interesting about this.
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Related: eBay is going to integrate Skype more broadly to create new ad models. More from AuctionBytes.