It is even possible to control your camera remotely from your smart device to help you take beautiful shots without disturbing your subjects.

ENGADGET: Nikon reveals D5200 SLR with D7000-taunting specs: 24MP sensor, 39-point AF, wireless port (hands-on)

Even if you think you have what it takes to absorb unexpectedly distressing results about your health without the help of a counselor or doctor, there is another reason to be wary of sending off your spit to a company touting affordable genetic testing on the Internet.

CNN: Get ready for the risks of genetic testing

Vacating your bed - or even home - will not help, as the insects can survive for months without food, hiding away until their meal returns.

BBC: Bed bugs 'dodge insecticides' with molecular tricks