17% of US Internet users have sold something online

17% of Internet users (about 25 mln people)- have sold something online. Visits to classified ad web sites have grown 80% in the past 12 months, Pew Internet & Amertican Life Project reports.

23% of those Internet users who go online daily sell things online, compared with 9% of those who go online several times a week. 22% of home broadband users, 23% of work broadband users, and 30% of those with broadband at both home and work sell things online, compared with just 13% of dial-up users.

Some 23% of internet users who have been online 6 years or longer say they sell things online, compared with 11% of those who have been online for 4 to 5 years, 5% of those online 2 to 3 years, and less than 1% of newbies who have been online a year or less. Some 26% of wired adults ages 29 to 40 (GenX) sell things online, compared with 17% of the younger Gen Y cohort (ages 18-28) and 13% of all internet users over the age of 40.