I can go a couple of weeks without internet service, as I have no choice but to do so every summer when I'm gone on holidays. I wouldn't give up being online entirely, though I could definitely be on it a lot less; nowadays I use the web primarily for e-mail and to check out movie music specialty stores/record labels/message boards to see if any new CDs have been released. I also happen to trade a lot of CDs with a friend I know in eastern Canada, so I'm in contact with him a lot (way too often).
I'm not a frequent poster online, as 90% of the time it doesn't amount to anything worthwhile. I can understand being simple acquaintances with others over the internet but I don't see much of a point of being super-great friends with people who live a thousand miles away; I'd much rather just see people in person rather than sit on my ass in front of a PC to converse with those whom I'd rarely, if ever, see offline.
I had even considered giving up my moderator position here not even a month ago, but because I somehow manage to log onto GFF daily and because I seem to be infracting
this dillweed who keeps coming back here on a weekly basis, I'll hold onto it for a little while longer.
Of course, three-quarters of the time I'm on my PC it's because I'm either ripping the soundtracks I have (primarily for my own use and so that I can likely sell or trade them off afterwards) or listening to them, which invalidates my concerns about being online too much.
Jam it back in, in the dark.