Already the name RTB.com is a significant sign of the ambitions of the service. RTB.com is focussing on the mobile advertising sphere and act as an aggregator and advertising exchange as well as it does offer innovative advertising formats. Additionally and by offering a vast inventory and serving billions of mobile ads already the service is able to hyper target particular markets.
Realtime bidding on the net already has a reasonable market share and as mentioned in the article App Advertising goes Realtime by various Means it is of growing importance to the mobile advertising sphere.
To get some background information about the company read the article RTB.com Launches, Focus On Mobile Real-Time Bidding and visit the homepage of RTB.com.