Hidden or inconspicuous cameras are fairly common in businesses with security concerns. Those black balls you see in ceiling corners or hanging from stems near checkout are undoubtedly watching and recording shoppers to make sure merchandise is being paid for.
If you're a fan of old and unusual cameras, the new KGB Spy Museum in New York City is something you may want to put on your list of museums to visit. Located in Manhattan, the space features a huge collection of spy cameras created during the Soviet era among 3,500 exhibits.
Here's an interesting weekend photography project of moderate technical difficulty: the video above is a tutorial on how you can make a DIY coffee cup spy camera. The camera sees out of the cup's base and has a shutter that's triggered whenever you lift the cup and pretend to drink from it.
If you're the proud owner of a Wi-Fi-connected digital camera, there's something you need to be aware of: your camera could be used to spy on you.
At the hacker conference Shmoocon 2013 last month, German security researchers Daniel Mende and Pascal Turbing reported on findings that Internet-connected cameras can easily be exploited and turned into spy cams.