[LINK] gps on kids

[Ivan Trundle]

On 12/01/2009, at 6:59 PM, Danny Yee wrote:

>> Salmon said the device is waterproof and shockproof and lasts for  
>> three
>> days with a full charge.
>
>> "You can also set up a perimeter, an invisible fence
>
> I put "shock" and "invisible fence" together to get the obvious
> extension of this -- a virtual fence implemented by bracelets capable

Already exists. I was caught out by one in Scotland not too long ago  
when carrying my friend's dog bracelet after it had got away. The  
shock is certainly enough to make you think twice about breaching the  
invisible barrier.

iT