Website Response Times An Article by Jakob Nielsen www.nngroup.com Users really care about speed in interaction design...A snappy user experience beats a glamorous one, for the simple reason that people engage more with a site when they can move freely and focus on the content instead of on their endless wait. 0.1 seconds gives the feeling of instantaneous response. This level of responsiveness is essential to support the feeling of direct manipulation. 1 second keeps the user's flow of thought seamless. 10 seconds keeps the user's attention. A 10-second delay will often make users leave a site immediately. uxperformanceinteraction
Ideas of permanence A Fragment by John Pawson www.johnpawson.com One of the interesting aspects of photography is the way it loosens our instinct to draw distinctions between the permanent and the temporary. In these enduringly fixed compositions, the detail of a mark scratched into the surface of a wall carries no greater weight of reality than the frozen swirl of light on plaster or the calligraphic-like shadows of chair backs cast across a floor. async timephotography