> Please open up your protocols, commit to keeping them open and publish a specification. And please never do what twitter did (start open, then close as soon a

> Please open up your protocols, commit to keeping them open and publish a specification. And please never do what twitter did (start open, then close as soon as you gain traction). If you want to make money, I'm not sure how sound this advice is. Anyone know an example of a company that has kept protocols open and made any significant money?