Websites are funded by ads. You probably see them right now on either side of this text. A lot of the ads you see on the web at large are courtesy of Google, who has one of the largest ad networks around. Paywalls exist for seeing content without ads, but you’d almost have to be a superfan of the site to pay upfront to see the content within. In what’s being billed as an “experiment”, Google has released Contributor, their attempt at crowdfunding ad-free sites.