OmniTrail's passive presence technology can pinpoint a user's location to within 1.5m and consumes less than 2% of a fully-charged smartphone battery. OmniTrail also does not require any additional hardware - just a software update on a user's phone and in a venue's Wi-Fi network.

Check out Robert Scoble interviewing us and Broadcom's Founder/CTO Henry Samueli at CES 2014: