“Electronic multitasking isn’t entirely new: we’ve been driving while listening to car radios since they became popular in the 1930s. But there is no doubt that the phenomenon has reached a kind of warp speed in the era of Web-enabled computers, when it has become routine to conduct six IM conversations, watch American Idol on TV and Google the names of last season’s finalists all at once. That level of multiprocessing and interpersonal connectivity is now so commonplace that it’s easy to forget how quickly it came about.”