Webroot, a leading vendor of anti-spyware software, reports that adware and spyware infection rates are rising rapidly.  CEO David Moll says, "We're finding that the social-networking sites like MySpace are turning out to be hotbeds for spyware."

Molls says, 89% of consumer PCs are infected with some kind of spyware. Home computers contain, on average, 30 individual spyware programs.

On the other hand, PCs used in businesses had 19 pieces of spyware on average, versus 21 a year ago.