News of Gadgets

Basically i want to know if lets say you have a pay as you go dongle, and a pay as you go phone both unregistered can police locate your position to your house?

I was looking for skype phone around the web & in some forums I got reference of http://www.brandsdragon.com/Skype-Phone-st2-sid242.html so may i know that is this the right place to buy a product at a reasonable rate.

Hallo to all.
I am looking for a good impermeable or underwater clock with voice
recorder function, even like that one of the cellular phone, where you
click a button and it register, but I can't find it.

I need it becuase I've always got a lot of idea and things to note so I want something where I can register them and that
I can bring everywhere: in the swimming pool, under the shower, ...