I remember back in the day when I was in college. The best way to make sure you captured all of the professors lecture was to take a mini cassette recorder and try to capture some form of comprehensible recording.
That was definitely old school compared to what's going on these days in classrooms across the globe. Now students have wireless networking, smart devices, tablets and transcribing apps.
Check out this great infographic showing some examples of some of the cool tools our students have at their disposal.