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
The Metabolist philosophy Tange put Tsukiji as the centre of his plan, which now seems grandiose and delusional. His design for the Dentsu building had much in common with the Metabolist philosophy of the 1960s, which maintained that buildings needed to continually evolve in a flexible way. ...With [the Nakagin Capture Tower], Kurokawa's Metabolist philosophy was fully realized. After it was completed, however, it became almost impossible to switch over the capsules - indeed, since its completion, not one of the capsules has been moved. As a result, the Metabolist movement has been forgotten. Yet its core principles, which sought to draw architectural lessons from living organisms, has much inspiration to offer society today. Kengo Kuma, My Life as an Architect in Tokyo How Buildings Learn