First time I heard him speak as well. I thought he did a great job. The slides were perfect for the target audience. His enthusiasm was contagious. Either we watched a different talk or your bias is showing.

seeing how reading books for extended periods of time will deteriorate your eye sight, since you are putting too much straign on your eyes by focusing so close, would using these things as your computer monitor be really feasable for more than a few minutes? I mean focusing your eyes so close seems like a big streign, is this thing even practical?