Perfect for people that want to rob you! Find some nice decently filled wallets, locate the person and rob them..
I wouldnt want this personally.
You don't seem to understand how bitcoin works.
i second this
No.
Seriously...if you have something like this, they have your address, which means they can possibly track your funds,
No.
That's true, unfortunately.
It reminds me of a post by another member not long ago about a person being robbed for their Bitcons.
No.
There is absolutely no reason for such a wallet to tell anyone what addresses you have that have received any bitcoins. The wallet would simply generate an empty address and use that address for this service. As soon as ANY bitcoins were received at the address, it would generate a new empty address and immediately start using it.
This could be done with some sort of short range wireless transmission that other wallets could be created to receive (such as bluetooth), or it could be done by a third party service using the GPS information from the wallets to identify when two wallets were in proximity of each other.