[memtap]

Definitely agree that Craigslist could be a better site; but what about a better business? It seems that most of the sites that have taken on Craigslist have offered technical improvements; I.e. mobile apps and social integration.

What about non-technical innovation? What about an aggressive, real world sales force that solicits businesses?

[polyfractal]

Sales forces are very expensive. Case in point: Groupon has a lot of revenue, but still does not turn a profit. That's because Groupon needs a giant sales force to hunt down the deals.

CL is making a lot of money precisely because they are relatively lightweight.