You can listen to, or even bump into the likes of SonnyVu, the CEO of Misfit Wearables and Daniel Kraft, MD who leads FutureMed at Singularity University.
Apple's entry with a smart watch could also jump-start the market, although SonnyVu, chief executive of Misfit Wearables, says positioning a device on a wrist could be too restrictive for many people.