The Pleasure and Pain of Speed - Issue 9: Time
▻http://nautil.us/issue/9/time/the-pleasure-and-pain-of-speed
How long is now? According to Google, not much less than 250 milliseconds. In 2008, the company presented a research report that examined ideal “latency” times for search results. It concluded “that a response time over 1 second may interrupt a user’s flow of thought.” The ideal latency for a search engine, said Google, was right at the quarter-second mark.
Which seems safe enough, because psychologists have long estimated that it takes us humans at least a quarter of a second to do much of anything. William James, wondering more than a century ago what is “the minimum amount of duration which we can distinctly feel,” had it pegged around 50 milliseconds. James cited the seminal work of Austrian physiologist Sigmund Exner, who observed that people shown sets of flashing sparks stopped being (...)
