Didn't Google pay for a student to the naclssh port as part of the code of summer project?

Something tells me such limitations will be temporary...

"This allowed us to remove the expiration date and localhost security restrictions we had adopted in previous research-focused releases.

We are excited to see Native Client progressively evolve into a developer-ready technology. In the coming months we will be adding APIs for 3D graphics, local file storage, WebSockets, peer-to-peer networking, and more."