[jonrick46]

I agree. It is incredible what they can get away with in this modern age. For a look at it go here (check out the comments to the article too):

http://gizmodo.com/fbi-says-it-doesnt-need-a-warrant-to-listen-in-on-phone-1677609130

[Elsie]

Before GPS, a small, 5 bit encoded compass, interrogated every wheel revolution, stored on a small tape recorder, could show the direction and distance a vehicle had traveled.

[Elsie]

Sting Ray I

 

 

 

Sting Ray II

 

 

Sting Ray III