When it comes to picking your college courses , you don't have to go in blind. It's never been easier to vet your teacher before taking their class, thanks to the internet. There are specific sites dedicated to ranking and rating college professors. Current and former students can write on the teacher's profile to let future students know all the important details. That includes info about the course, the teacher's personality, the types of lessons, and how hot the teacher is. Yes, really. If t…