When you have to prove the value of your ideas by persuading other people to pay for them, it clears out an awful lot of woolly thinking. - Tim O’Reilly (@timo

When you have to prove the value of your ideas by persuading other people to pay for them, it clears out an awful lot of woolly thinking. - Tim O’Reilly (@timoreilly) http://startupquote.com/post/9280412602/ http://startupquote.com/post/9280412602/