If so, check out the Tropo blog for some cool examples, tutorials and videos. As I was catching up on my Twitter feed this morning, I noticed a great post there about responding differently to different types of users and a short video about using SMS to find the time and date of tweetchats. Cool stuff!
P.S. And yes, in full disclosure Tropo.com is a cloud communications service of my employer, Voxeo, and I do myself sometimes write on the Tropo blog, particularly about python or Node.js. However, if I didn’t think what they are writing about there is in fact interesting, I wouldn’t mention it here. 🙂