Simple and easy, you will receive an email* each time a Twitter's update contains a keyword choosen by you
Benefice ? the alert concern also people you don't follow too, this is the best way to find who you must follow !
Tips : you can use @USER to find who respond to USER, or your own domain name to find who's speaking about it, and so on... furthermore, full Twitter's search syntax is allowed
* Max 1 mail per 30 minutes period. We hate SPAM, your email is safe with us.