We're not talking about the kind of camera you buy when you want to make money on the internet — we're talking spying, people. The Wireless Spy Screw Camera Kit makes use of color cameras so tiny they appear to be either almost invisible (pinhole), look like a button (on a shirt, e.g.), or the top of a screw. Connect the included receiver to a TV, VCR or PCI card and surveil whatever it is you must surveil. It'll set you back £93.99 which includes VAT — or about $168USD.