Doppel: Another mood-boosting wearable readies for consumers

"Mood ring" could have a whole new meaning with the advent of wearables, as consumer technology starts to roll out that promises mood-altering effects. In addition to the Khosla-backed Thync, which launched last month, Reuters just featured the Doppel--a wrist-worn wearable device that boasts an improvement to user's mood and is in the midst of a Kickstarter crowdfunding campaign. The device reportedly uses the application of particular, personalized pulsed rhythms to influence mood. The device also connects to a smartphone app. Story