I’m not exactly sure that I can explain the phenomenon, but there seems to be a growing trend of collectible USB widgets that aren’t all that useful but are interesting desktop decorations and conversation pieces. Among these is the aroma pot ($35) that hooks to the USB port and provides a small heated pool in which to place essential oils and fragrances. Other devices, like a USB back massager, fan, air purifier and even an air-cleaning ashtray are available from Brando.
Hardware Beyond the Hype