you've probably have gotten this question a million times, but -- what about fundraising in the style of ao3 or even wikipedia? for all the thousands of fourteen year olds running around who don't understand how much it costs to run a website, there's another thousand of adults whom would love to keep using this site forever. it may not be a more-profits-every-quarter kind of situation, but then again, one is allowed to dream beyond the current silicon valley web 2.0 profit driven hellscape
That was the idea behind the Tumblr Supporter badge, a way for people who appreciate the site can chip in towards keeping it going. It hasn’t been as successful as we hoped, only about 2,300 subscribers so far (out of 11.5M monthly active users) but over time maybe it could compound to be what drives the site.