There's no denying that Online Travel Agencies (OTA) are marketing powerhouses. With cutting-edge technologies, targeted email lists with subscribers in the millions, and a talented team of hospitality professionals dispatched to every part of the globe, OTAs have a worldwide reach of traveler consumers that a hotel marketing team could only dream of.

I chatted with Adam Anderson, Director of Industry Relations at Expedia, to learn how most hotels and resorts are missing the mark by not leveraging an OTA's tools, meaning they're losing out on money, far-reaching exposure and even DIRECT bookings. Read on to increase your ROI and worth by marketing hotels online with an OTA strategy.