Yet another reason to utilize Chrome. It's harder for companies to sneak toolbars into it (though a couple have figured out ways). But Google is actively fighting them (there is NO useful toolbar – they simply exist to sell your info to advertisers). Steps like these show how seriously they are taking it….

Google tightens Chrome Web Store rules to prevent toolbar overload
Many web veterans can share horror stories of friends and family who installed a few too many browser toolbars, some of them by accident. Google is