"In a nutshell, it's a realtime threaded conversational web app." This means nothing to the Average Joe/Jane. Hell, it doesn't mean much to me. Maybe work on a

"In a nutshell, it's a realtime threaded conversational web app." This means nothing to the Average Joe/Jane. Hell, it doesn't mean much to me. Maybe work on a better introductory line, use analogies and offer use cases/examples?