Nearly one in five (19%) who have an account no longer visit Facebook
or are using it less.

Of the group that are saying goodbye to Facebook (), 45%
have lost interest, 16% are leaving because their parents are there, 14%
say there are “too many adults/older people” and 13% are concerned
about the privacy of their personal information.

While interest in
Facebook may be waning, it’s still the most popular social network
among teens — 78% have created a profile and 69% still use it. YouTube ()
ranks second; 64% of teens claim to have a YouTube profile and continue
to use the site. MySpace ()
comes in a distant third (41%) and Twitter () takes the
fourth spot (20%). — mashable.com