AromaUSB has a solution for the environmental quality in which you compute – the Aroma USB. Basically the small unit has a replaceable cartridge, and you plug it into a USB port. After a few seconds it will puff out scented smoke trail for your enjoyment. A single cartridge refill will last up to a week. For me, I tend to think of Aroma USB as high tech incense, or maybe as money up in smoke. More information can be found at AromaUSB.
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