At 14, he (Blake Ross) started hacking Netscape. At 19, he unveiled Firefox, a blazing-fast browser that was downloaded 1 million times the first day. Now it's the hottest thing on the internet. (Watch your back, Bill Gates.)

At 14, he (Blake Ross) started hacking Netscape. At 19, he unveiled Firefox, a blazing-fast browser that was downloaded 1 million times the first day. Now it's the hottest thing on the internet. (Watch your back, Bill Gates.)