trillianjedi - 10:54 am on Mar 9, 2006 (gmt 0)

double every month

The last company to achieve close to that (but not quite) on the internet was Skype (with it's userbase).

Prior to that, it was Google (with # of users and daily searches performed) between 1999 and 2001.

The point? It takes a seriously clever or downright brilliant concept or product to achieve that level of growth.

Viral marketing is an incredibly powerful tool (and on the net, the single most powerful tool), but it requires the right concept behind it to work.

TJ