Not only allowing those who know Braille to send text messages more easily, but possibly extend everyone's ability to multi-task (which may not be a good thing, but...)
The video is sweet: http://www.youtube.com/watch?v=rIEO1bUFHsI
That's very cool + clever
Especially with the fact that today's new mobile phone releases are majority all touch screens and smart phones. So, this will indeed really help those to compose messages.