there is a startup doing exactly this. It's called Kachingle. Terrible article explaining the concept: http://cli.gs/7RYV81 http://cli.gs/7RYV81 Essentially:

there is a startup doing exactly this. It's called Kachingle. Terrible article explaining the concept: http://cli.gs/7RYV81 http://cli.gs/7RYV81 Essentially: You pay Kachingle a monthly retainer [$5 default] -- as you browse sites [in your web browser] you'll see Kachingle "medallions" that you can click, and give the site a tip for the article. You can also setup monthly retainers, so every month you give $2.50 to NYTimes via Kachingle.