Looks like there are some skeptics:

http://www.theregister.co.uk/2014/06/24/ifind_kickstarter/

Bob

On Thu, Jun 19, 2014, at 04:48 PM, Dwayne Reid wrote:
> Not sure if this is appropriate, but I ran across something=20
> interesting a few days ago and have decided to plunk down some of my=20
> hard-earned cash.
>=20
> These are a little active tag that uses Bluetooth to locate lost=20
> items.  The tag emits a (supposedly) loud sound when activated with=20
> their app on either iOS or Android devices.
>=20
>  From the Kickstarter page: "iFind is the next generation item=20
> locating tag. The tag communicates with your iOS or Android devices=20
> using Bluetooth and will never need to be charged. The iFind tag can=20
> be attached to all of your personal items , and you only need your=20
> phone to find them. Tag any item that you want, and it's at your
> fingertips."
>=20
> They go on to mention that the unit does not ever need to have the=20
> battery changed because it is charged by harvesting local=20
> electromagnetic energy.
>=20
> Although the claims see a little far-fetched, the bio's of the=20
> principles make for interesting reading.  They seem to have seriously=20
> techy backgrounds (Freescale Semiconductor, Phillips Semiconductor,=20
> etc).  They also mention that they have 4 patents pending in both the=20
> US and China on the technology used.
>=20
> <https://www.kickstarter.com/projects/yuansong84/ifind-the-worlds-first-b=
attery-free-item-locating>
>=20
> Seems plausible enough for me to plop down $130 for 10 tags.
>=20
> 10 days left in the funding cycle: $25,000 funding goal, $495,386=20
> pledged so far.
>=20
> dwayne

--=20
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