Microsoft's New Linux-Based Wireless Network
MECC points to an article about Microsoft's new wireless network. From the article "The next time Bill Gates sends an e-mail through Microsoft's shiny new Wireless LAN it will be passed through a behind-the-scenes Linux-based network appliance." Microsoft has partnered with Aruba Networks for a large corporate wireless LAN deployment, involving 277 buildings and 5000 access points, 'all Linux based.'"
Windows Embedded. Used for all kinds of devices, including cars, network attached storage, cash registers, phones and thin clients. And according to this page at MSDN, Windows Embedded OS's can act as an access point, though nobody seems to have built a product around this yet.