TwitApps was a great tool, it would email you when somebody @mentioned you on twitter. But, alas, they are shutting down and leaving what I think is a huge hole. So I built my own service that does the exact same thing. To use the service, visit MentionNotifier, and subscribe to your @mentions. To get notified of updates, follow @MentionNotifier or @timhibbard on twitter. Here are some of the FAQ’s: Q: What is this? A: It is a service to notify you by email when somebody has mentioned you in a tweet. ......