The best thing to watch before of you go off to get your 'computer science' degree.
I love to listen to Alan Kay because you just slap your forehead thinking "Wow! Its crazy that good ideas get squashed because we don't have the right outlook." So, many of his talks over the years are about how we think, and it always is enlightening.
The Internet we made in the 1990s, that we are stuck with today, is all about not knowing what we already knew the 1960s.