“Google Contributor invites began arriving in email inboxes this week. The company’s paid subscription service reduces the number of ads an individual sees on a Web page when visiting participating publisher sites. …
Mashable, the Onion, Imgur, ScienceDaily, wikiHow and Urban Dictionary have signed on to participate. In fact, Google tells us, millions of sites — from small blogs to large news sites — have joined.
Participating Web sites see a percentage of the money contributed by subscribers.”
Google’s Subscription Ad-Blocking Service Arrives In Beta 04/24/2015.