security is best done in a multi-layered approach - stopping popups isn't really security, per se, more of an annoyance removal. There is some benifit if the popups have cookies that are shared across sites, but most of those can be embedded in the page themselves.
the google toolbar itself tracks and records the sites you visit and sends the info back to google. if you're not doing anything illegal, you have nothing to worry about
the google toolbar itself tracks and records the sites you visit and sends the info back to google. if you're not doing anything illegal, you have nothing to worry about