Welcome!

Digital Hazmat (formerly known as Endtone) is a global mobile application software developer based in Washington, D.C.  The privately held company was established in 2005 by Brock Muir. 

Digital Hazmat continues to define the future of mobile entertainment and advertising experiences for wireless users around the globe.  Digital Hazmat’s mission is to develop, patent, license and sell innovative and easy-to-use mobile solutions to the wireless industry ecosystem, including wireless carriers (China Mobile, Reliance, etc.), original equipment manufacturers (Nokia, Apple, etc.), mobile marketing and advertising agencies (Google, Yahoo!, etc.), content owners (Universal Music Group, The Orchard, etc.) and aggregators.

Digital Hazmat’s patented applications are the first and only options available in the marketplace.  

Digital Hazmat aggressively protects its patented intellectual property using United States and international patent processes.

the fine print

"Digital Hazmat," "Endtone," "EndAdvertisement," "the end is hear," and "advertising's be all and end all" are trademarks of Digital Hazmat. 
All rights reserved.