Adblock Plus whitelisting particular ads
Millions of Internet users rely on Adblock Plus
daily to keep their web experience a relatively clean one. While it's a taboo practice with some companies that depend on the income raised by advertisements, it's an invaluable tool that cuts down on much of the "fat" that crops up during normal browsing.
Unfortunately, a few ads to tend to display here and there, whether it's relegated to a Wikipedia plea or an interstitial that forces you to view an ad before being given a link to access your original destination. Intriguingly enough, it appears that Google has a hand in keeping this practice afloat.