From the smallest acorn...

... grows the mightiest oak. Or something like that. Marc Andreesen, who co-developed the original browser that sparked the Web revolution, didn't think it was that big of a deal at first. But he quickly grasped its implications and formed Netscape to commercialize the concept.

It's an interesting contrast to entrepreneurs and inventors who talk in grandiose terms about their latest "disruptive technology." Most die on the vine. But some of the greatest innovations in the history of the world had humble beginnings and were not completely understood, even by the people who created them.