While Microsoft is buying a standalone VOIP application maker, Google is open-sourcing real time audio/video framework for in-the-browser communication Google open sources $68.2m realtime comm platform ? The Register
And it carries a BSD-type license, i.e. no restrictions in modifying, commercializing and keeping to yourself the changes...
Obviously, this is to make their ChromeOS - that is essentially just a browser - a more competitive platform...
Considering the MS' ownership of Skype hasn't been cleared yet, they can't do much.
But regardless, how real this exploit is will depend on the time frame it will be invalidated...