Vapor Communications has launched Cyrano, billed as a digital scent speaker and mood modification platform. The portable and battery-operated personal consumer electronics device can remotely play sequences of scents called “mood medleys.” Each scent in a mood medley lasts up to a few minutes, long enough for the scent to be perceived by the user while short enough to avoid the olfactory fatigue associated with traditional scent technology, such as candles and air fresheners. Inside Cyrano is...