In the early years of WebMD, the site's founder Jeff Arnold had a staff of 60 and only $75,000 in annual revenue. By 2001, the company employed more than 5,000 and had almost $1 billion in annual revenue. Since then Arnold has mostly stayed away from healthcare, but was busy acquiring and building a little site called HowStuffWorks.com into a $250 million acquisition target for Discovery...
