"Marshall David Brain" is an United States/American author, public speaker, and entrepreneur. A college instructor and computer programmer, Brain is the founder of HowStuffWorks.

More Marshall Brain on Wikipedia.

That's when I got enough volume that people would add to the articles. Experts would write in with more information, corrections, new topic ideas ... stuff like that.

Where everything is transparent, so you can see how stuff works. Robots or multimedia displays would show you how it works.

It took six months to write. It's not a hugely popular article on the site, but it was the most fascinating thing I've ever studied. It's amazing how intricate we are -- I learned so much.

Most of us have only one pocket or two, or one purse. And it's onerous to carry five different devices. I only have two pockets, one of them has my keys in them. Carrying five devices is impossible.

I started with zero visitors a day, and did about an article a week. Once I got up to 20 the site started to get into search engines.