Another video about change blindness, and how motion affects perception: (Via The Awl) “At first, the ring of dots is motionless and it’s easy to tell that the dots are changing color. When the ring begins to rotate, however, the dots suddenly appear to stop changing. The faster the ring moves, the less the colours [...]

Change blindness is the failure to notice changes to the scene (or image) you are viewing. From Kelly: This is an interesting phenomenon and worth keeping in mind as it relates to demonstratives. It tells me that the presenter possibly needs to verbally point out the changes that occur when presenting a sequence of demonstratives [...]

Venture capitalist Guy Kawasaki sees hundreds of pitch ideas from entrepreneurs and they frequently bring PowerPoint presentations. According to Mr. Kawasaki, most of the presentations are “crap.” In response, he offers the following rules: 10 slides, 20 minutes, 30 point type. Here he explains his theory: Recently, Joey Asher of Speechworks wrote an article promoting [...]