Here's a staggering statistic:

People uploaded over ONE MILLION photos to online photo sharing service Riya in the first two days after its launch on March 21, 2006 (says Tara Hunt).

As Naked Conversations co-author Shel Israel says, "Not bad for a startup that has no marketing team."

The main reason for Riya's viral velocity is, as Pete Cashmore says, that it's "astoundingly good."  Riya's face recognition technology allows you to find people more easily.

Moral of the story: The Web makes lightning-fast business growth possible.

Bonus moral: The Web 2.0 era - whatever we may call it in hindsight - offers amazing growth potential for those smart enough and diligent enough to look for, create and seize the right opportunities.

What's your one-million-photos-in-two-days idea?