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
Serendipity This was not meant to be like Bell Labs; there were no expectations that the clerical workers would run into their managers in a “serendipitous encounter” and produce a new innovation. The ideas was rather to create a workplace in which status barriers seemed to dissolve, in which participation and friendliness all around made the work environment look less like the white-collar factory it was. Nikil Saval, Cubed The Art of Doing Science and Engineering: Learning to Learn teamworkcommunication