Let the hive mind of Engadget get that for you.
"I am looking for a device that will stream sound from one source to several recipients. For example, I want to stream sound from my TV or stereo to my phone or MP3 player that has radio and Bluetooth capabilities. I have looked into radio transmitters and they seem like a decent choice, but I can't find one that uses external power (USB or from the plug) and I would want one with a transmit range of around 50 meters. Thanks!"
Well, either way, TWC has had a far longer presence in Southwest Ohio and they have controlled the infrastructure for a long time. Remember that Time Warner is still building up it's infrastructure in the Cleveland area from the Comcast/Adelphia takeover. I know, I've lived in both cities equally the last five years from attending college and going home, and using Time Warner in both markets. It has nothing to do with Cincy having more money.