Who is behind this?

The idea was developed by Abhi M Balakrishnan

Can this prevent shoulder surfing?

Nope. This technique improves the privacy by blurring out text on the screen. People around you still can

Can I use this on my chat app?

The idea is pretty new and there are no applications out there providing this feature at the moment. You can help us spread the word though.

Is that okay if I incorporate Snow on to my application?

Please feel free to. This is a free and open source idea.

Where all Snow can be used?

Good question. Few thoughts that sparks into my mind are:

How can I contact you?

Google Plus or e-mail.

Can I reprint your article on my blog or in a print magazine / newspaper?

Please feel free to. Press kit can help you.