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
Walking lessons A Tweet twitter.com Lecturing Birds on How to Fly, from Nassim Nicholas Taleb's Antifragile If children started school at six months old and their teachers gave them walking lessons, within a single generation people would come to believe that humans couldn't learn to walk without going to school. learningschoolchildhood