nc17

YC ranks 2400 on Alexa, and I'm sure most of the traffic is HN. I bet you'd be hard-pressed to find a top 10k site written in Scheme. Does anyone know of one?

http://www.alexa.com/siteinfo/ycombinator.com

Just checked, they claim to have sold 550,702 so far with 18 hours to go. That is a successful (and expensive) customer acquisition campaign.

Thanks for posting this. Here are the slides for those interested:

http://www.bsdcan.org/2010/schedule/attachments/135_crypto1h...

True, and technology is far from the worst field in that respect. Professional sports or modeling are two professions in which you will lose your value no matter what you do. You have a limited shelf life and you have to make the best out of the years you have.

As a developer you at least have a choice. It's possible to earn a living as a software developer in your 50s or 60s, I've met a few.

One problem is that you log in and you have nothing to look at. You really want to have something for new users to get a great "out of the box" experience and they'll be more motivated to come back.

Out of six or seven wars, he picks the ones that make his case. This guy (and anyone tempted to draw any conclusions from this chart) should read A Random Walk Down Wall Street.

http://en.wikipedia.org/wiki/A_Random_Walk_Down_Wall_Street

An interesting side effect is that copying a dvd is relatively trivial. Saving a streamed movie is harder and you have no motivation to do it.