Agencies want to read brain waves, but for now devices will do

Consider the mood ring. This liquid crystal thermometer — probably the world’s first “wearable,” in the current meaning — was marketed as a way to telegraph your mood to the world: groovy, for example, or mellow. Hey, man, it was the 70s. Flash-forward 40 years and this year’s CES attendees witnessed the debut of the “Melomind,” a wearable headset that reads your brainwaves, s ...Read the full article