twitter live stream api

shortest: Can you use the twitter live stream api to call a script (or put something in a database, or do something else) at the moment somebody tweet a message containing @moodsw? My twitter app [login to view URL] works, but has some serious issues. One of them is that it takes 15 minutes to update, due to scheduling. Can you use the twitter live stream api to call a script so my app will react instantly? When this job goes well, I want to ask you to rebuild my app, to drastically improve user experience by tweaking some other things. This will be a nice follow up job.