Makes you wonder about some of Microsoft's undisclosed intentions when Yahoo! was a suitor[1] given what happened when/after Skype[2] entered Microsoft's fold. Though the credible timeline[3] given suggests that Yahoo! may have already been forced to capitulate.
[1] http://en.wikipedia.org/wiki/History_of_Yahoo!#Acquisition_a...
[2] http://www.guardian.co.uk/world/2013/jul/11/microsoft-nsa-co...
[3] http://thenextweb.com/insider/2013/06/07/microsoft-has-fed-p...