Harvard CS50 online course ( http://cs50.tv/2014/fall/lectures/0/w/ http://cs50.tv/2014/fall/lectures/0/w/ ) has a really nice interface for viewing lecturer an

Harvard CS50 online course ( http://cs50.tv/2014/fall/lectures/0/w/ http://cs50.tv/2014/fall/lectures/0/w/ ) has a really nice interface for viewing lecturer and the related slides - the way they have done it seems better than most other solutions I have seen to this day.