For customers who no longer want to see a certain display ad, [x] marks the spot. Google has announced a new icon, known as "mute this ad", for many ads appearing on the Google Display Network. To "mute" an ad, users can click on a small [x].
jon_ksJon SvenssonUpping the relevance ante: Google Allows Users to Mute Display Ads http://t.co/iOOQDDK9 Everyone will benefit from this (via @sewatch)