All of these examples further solidify my hapiness in switching from C# to Ruby as my primary language. It's so beautiful!
The project I'm working on wants to send SMS messages to clients, but we postponed that for v2. But after seeing the example for Twilio I'll heavily recommend we implement this feature now, as it seems very straightforward and will be a major upsell for our startup.
My brother is studying Comp Sci (well in Bolivia it's called Ingenieria de Sistemas - less b-tress more ASP.Net), and I really want him to learn Ruby and become happier with his work.