I'm seeing significant interest / movement from existing broker dealers targeting emerging growth companies. (thecrowdcafe.com)
There is the issue of the quality of the data, wherein existing brokers either don't have access to or don't want to sell the required data to the interested company. (links2exchange.net)
I suspect existing broker owners, who now legally can own more than one office, in a corporate structure, will be early adopters. (remonline.com)