"With $7B they should have just given away about 15 million Windows Mobile phones in the form of an epic PR stunt."
This instantly reminds me of the CueCat [1], which Wired sent out to half a million subscribers. I admit, a phone (even a WP7 one) could be a million times more useful than a CueCat ;-)
[1] http://en.wikipedia.org/wiki/Cuecat [2] http://www.joelonsoftware.com/articles/fog0000000037.html