Over-the-top messaging apps are growing both in number and the volume of messages they produce, and are continuing to cut into traditional carrier revenue streams. Yet the OTT market is maturing and facing fresh challenges. For one, the space is getting increasingly crowded as larger players introduce their own in-house texting apps. In addition, most of these apps are offered for free, making monetization a tricky endeavor. As competition heats up for these apps, will the current popular services continue to thrive or is there room for new players to sweep the market? FierceMobileContent delves into all of the issues facing the OTT market in this new special report.