And the largest digital camera makers are....

Disruptive technologies have a funny way of being disrupted themselves.

Digital cameras disrupted the business for film for still photos and now finds itself disrupted by cell phone manufacturers.

This item from "om malik on broadband:"

... in 2004 the sales of camera phones were four times the total digital still camera shipments.

Of couse, that leaves the question: What technology will disrupt the cell phone juggernaut?