"The Weird Spy Gadgets You Never Knew Existed! Do you want to know the cool future and history based gadgets that spies used to use and still do today?! Secret History uncovers the forgotten, ...
Read more: The 20 Best BMWs Ever Designed A jetpack might not seem like a gadget a spy would use. Spies are supposed to be quiet, secretive, under the radar, and jetpacks are the opposite of all that.