I believe in being on the second cut of the cutting edge to allow for new technologies to work out bugs before investing in them. Chatroulette is one of those very popular new innovations that could use some... eh... debugging so to say. However, Travelocity has a great example of using a medium that for many advertisers was too dangerous to consider. How clever! See the link below for a story on Travelocity's success with Chatroulette.
Small Businesses Should Take Risks on the Web from openforum.com