>> looking at the googleplex, it's hard to imagine that just a few years ago the company basically consisted of the russian-born brin and cofounder larry page working in a converted garage. >> our boardroom table was also our ping-pong table, so it had the net and everything. >> he's been called the toddler ceo, the boy wonder who created facebook. you're not a harvard alum. >> that's true. we don't have a setting for dropout, so... >> what's the difference in $5 billion and $100 billion? i know it's $95 billion. >> a lot of cheeseburgers. let me tell you. >> welcome to 60 minutes on cnbc. i'm lesley stahl. the information technology revolution changes our world on a daily basis, but one thing that doesn't change is our fascination with the so-called nerds who not only transformed society but became billionaires in the process. this edition features a trio of these tech titans: bill gates, the man who created the world's most valuable software company, microsoft; mark zuckerberg, the young, geeky computer programmer behind the internet phenomenon facebook; and sergey brin, the cofounder of g