[indistinct chattering] with the help of some posters we've designed, my translator eunice and i are off to see if there are any takers. >> [speaking korean] >> excellent. somebody's in. >> [speaking korean] >> [speaking korean] >> first impressions aren't too promising. well, that looks like it's another refusal--people telling us they're simply too busy or the internet is too crucial to their daily lives to take part. eventually, we find 2 families who agree to cut the umbilical cord for a few days. first, meet the kims. the 2 boys are classic products of the internet generation. for them, being disconnected is almost unimaginable. >> [speaking korean] >> these days, i go on the internet as soon as i wake up. i'm developing my own home page, and there's things i need to find out on the net. sometimes, i work online all day, past sunset. on average, i probably use it for about 6 hours a day. >> [speaking korean] >> i use the internet for about 5 hours a day, mostly playing computer games. if i can't do that, i might get cravings. >> here we go, then. this is switch-off day, um, one