We all know a gimmick when we see it--and we get pitched a lot of gimmicks. However, there is some worthwhile technology out there, and you don't have to be a programmer to find and use it.
It's strange, looking back, that I never considered how teaching might change me. Often, as professionals preoccupied with learning objectives and educational outcomes, our focus is outward, on the impact we should have on other people, yet the impact our students have on us is just as lasting.
None of this information is meant to dissuade anyone from a college teaching career. However, understanding what you're in for can help you decide whether this is the right fit for you and how best to prepare for the challenges before you.