The challenge with meeting engagement is that it’s really, really tough to measure. Conference planners look at session attendance, session polling, social media buzz, post-event surveys, and more. But understanding the impact that certain ideas, speakers, or live-event environments have on attendees is an inexact science. That just might be changing. Immersion Neuroscience, a company founded by neuroscientist Paul Zak, has a wearable technology that measures immersion in live experiences and video content.