Hyperlinks to youtube*: Link Slide #1: http://www.youtube.com/watch?v=q0h6uTTNvok&t=0s Link Slide #2: http://www.youtube.com/watch?v=q0h6uTTNvok&t=15s Link Slide #3: http://www.youtube.com/watch?v=q0h6uTTNvok&t=2m43s *Due to the policy of Slideshare hyperlinks don't work on the first 3 slides.