Have you had a perfect schedule planned, only to have it destroyed the night before because upper-classmen filled the section that made the whole thing possible?
Trying to get in to that perpetually-closed section of Beers of the World?
Big SiS continually checks the course listings on SiS and notifies you within 20 minutes of your course opening.
Hint:Enter your cellphone email address and you'll get a text-message when the class opens!