charge a subscription fee and add some advertising.
I feel bad that I haven't paid anything for the site (strangely, not enough to donate, but happy to pay a regular price). I don't expect I ever will pay you very much, and yet I'm using the site a lot, getting a lot of value.
Heck, I paid habitforge $10 for a year!
After someone has 3 goals up and running and they've been here for a month or so, ding 'em for $20 / year.
We now have premium plans! http://beeminder.com/premium
We’re also a little more insistent about getting you to actually pledge money on your goals.
We’re not too keen on adding ads but might try that.
Let us know what you think!