One way or another...

All ur codes will belong to US!

There is always a catch.

Plus you could probably take the mono tcp/ip stack with some changes and apply it to this.

Anyways, this is intended for mobile phones and is meant to compete with java/android/etc for mobiles. It's probably more that microsoft has realized nobody is going to win the mobile phone os war anytime soon. If they can get .net onto more devices it at least allows them and other developers to have access to more devices.

Not every application needs to have Internet access to be able to provide a service.

TCP/IP?