Backchanneling

**Backchanneling**
Twitter is a great backchannel tool.
 * What is a backchannel?**
 * When you go to a presentation, check for a backchannel. You can enter a conversation or ask questions.**
 * Here's a great backchannel handout from the Texas Library Association.**

In this example below, I have typed a hashtag for the Texas Computer Education Assocation Convention 2011 (#TCEA11).