Tuxera signs up with Microsoft

Sounds like either tuxera is doing FAT in userspace, on embeded devices! or they're distributing a derivative work of the kernel, under proprietary license (Violating the GPL). I await the lawsuit. Good thing I donate monthly to the SFLC and FSF. You all should too.

https://my.fsf.org/donate
http://www.softwarefreedom.org/donate/