Adblock Plus is the most popular ad blocker ever, and also supports websites by not blocking unobtrusive ads by default (configurable).
Adblock Plus for Chrome automatically removes ads from YouTube, Facebook, news sites and everywhere else! In order to support free content, non-intrusive ads are allowed by default (so you can still block them all if you want).
Adblock Plus for Chrome blocks:video ads on YouTube, Facebook ads, sponsored Tweets, pop-ups, banners and all other obtrusive...