Ultimately, Captchas are useless for spam because they're designed to tell you if someone is 'human' or not, but not whether something is spam or not.

There's something very real about helping someone one-on-one.

If you think of the ideas of open source applied to information in an encyclopedia, you get to Wikipedia - lots and lots of small contributions that bubble up to something that's meaningful.

If you want to be good at something, you really have to work at it every single day. You have to work hard at the things that are hard. Otherwise you are just treading water.

I don't care how someone lives or how good their spoken English is. I do all of my interviews on Skype text chat - all that matters is their work.

I like to read first thing in the morning. I'm addicted to the Kindle. I read a lot of business books, because I feel like I should figure out how to be a real businessman before someone figures out that I'm not one. I really enjoy reading classics as well, which I try to work in once every two months.