Lambda the Ultimate

This blog post has been going around Hackernews recently, and I was wondering if there was something deeper here about how new reactive programming paradigms are being adopted by the web crowd.

React by Facebook appears to be a twist on immediate-mode UI, limited one-way databinding, and something something for the web. Technologically, it doesn't seem that innovative (especially for us), but I guess the key is in its simplicity. Does anyone here have any experience using this, and how does it compare to approaches like FRP?