For perspective: Last night's Lost finale got 13 million viewers, 2.5 hours each, so that's 32.5 million hours wasted there. The Superbowl gets ~100 million viewers and lasts... what, three hours? So that's 300 million hours wasted there. The soccer world cup final is rumoured to get something on the order of a billion viewers, so... that's a lot of hours wasted. And your entire life, if you never do anything in the…
even if you mean 'wasted potential work time', who's to say that entertainment in short bursts doesn't increase productivity by preventing burn out?