Their tag line is... "what happens on the Internet
stays on the Internet," ...
Microsoft Internet Explorer 8 to Include 'Porn Mode'

Apparently this enables surfers to easily hide
their tracks, but does not prevent legal authorities
from accessing the info.

From a marketing perspective, this prevents
sites from tracking user behavior and then
using that info to sell targeted advertising.
I'm wondering what effect this will have on
those who promote certain goods and services
via such advertising.

Brian