Forget the ubiquitous chirps and subtle vibrations, Scentee — a new iPhone-compatible accessory debuting in Japan — will let you know when you get a text or Facebook "Like" by pumping out a distinct scent of your choosing. The dongle attaches via headphone jack, and can be programmed through a dedicated app to deploy a puff of artificially scented air from a special cartridge for all manner of notifications.
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Lasting through approximately 100 uses apiece, the cartridges come in a dozen aromatic varieties, including crowd pleasers (coconut, coffee, mint, etc.) and others sure to cement your "that guy" status: curry and corn soup.