I admit I used Sparknotes when I was in college, but it was usually when I was in dire need or had a stack of books that was 3 feet high for the semester. I don't know how I was expected to read all of those books and write 10-15 page papers for three or four different English classes.

I knew about it when I was in high school, but the reading load was so light there was no point in using them. It kind of bothers me that there are 'kids' out there that can't read a rich book like LotR because they were raised on Sparknotes or Cliffnotes.