From the good folks at The Pew:
On a typical day, 53% of those ages 18-29 go online for no particular reason except to have fun and kill time. Yep, I think I do that too!
The internet as a diversion and destination
by Lee Rainie
Dec 2, 2011
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“Americans are increasingly going online just for fun and to pass the time, particularly young adults under 30. On any given day, 53% of all the young adults ages 18-29 go online for no particular reason except to have fun or to pass the time. Many of them go online in purposeful ways, as well. But the results of a survey by the Pew Research Center’s Internet & American Life Project show that young adults’ use of the internet can at times be simply for the diversion it presents. Indeed, 81% of all young adults in this age cohort report they have used the internet for this reason at least occasionally.
These results come in the larger context that internet users of all ages are much more likely now than in the past to say they go online for no particular reason other than to pass the time or have fun. Some 58% of all adults (or 74% of all online adults) say they use the internet this way. And a third of all adults (34%) say they used the internet that way “yesterday” – or the day before Pew Internet reached them for the survey. Both figures are higher than in 2009 when we last asked this question and vastly higher than in the middle of the last decade.
“These findings are one of our main signs about how deeply Internet use has woven itself into the rhythms of people’s lives,” report author and Pew Internet Lee Rainie told Mashable.
“When they have some down time, more and more of them are finding the Internet a fun, diverting place to spend their leisure moments. It’s not necessarily surprising to see that this is a favorite pastime of young adults. It is a bit surprising to see that the incidence of this use has grown in every age demographic. The Internet is not just the playground of the young.””