Startup NeuAer demonstrated some cool, almost science fictional technology for your smartphone today at the Launch conference in San Francisco.

The company has an Android application called ToothTag, which allows users to tag objects to create certain interactions. It operates via the radio signals given off by various gadgets, including BlueTooth devices. So you could use ToothTag to set up a trigger that would send an alert to your smartphone whenever your child (or, more properly, their phone) gets too far from where they&'re supposed to be, or whenever your ex-boyfriend or girlfriend gets too close.

And it sounds like ToothTag is just a showcase for NeuAera4‚¬a4„s technology. The long-term goal is to allow mobile developers to build various proximity applications using NeuAera4‚¬a4„s ProxPlatform technology.

The obvious question is, of course, how well will the technology work in the real world. The other issue is that NeuAer doesna4‚¬a4„t yet work on the iPhone. That could be a barrier to adoption, and it&'s also frustrating for me, because I want it.

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Tags: NeuAer, proximity, TagTouch

Companies: NeuAer

Tags: NeuAer, proximity, TagTouch

Companies: NeuAer

Anthony is a senior editor at VentureBeat, as well as its reporter on media, advertising, and social networks. Before joining the site in 2008, Anthony worked at the Hollister Free Lance, where he won awards from the California Newspaper Publishers Association for breaking news coverage and writing. He attended Stanford University and now lives in San Francisco. Reach him at anthony@venturebeat.com. (All story pitches should also be sent to tips@venturebeat.com) You can also follow Anthony on Twitter.

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