You don’t have to shell out a bunch of cash for a webcam to monitor your house remotely. In fact, if you have a spare Android or iOS device with a camera, all you need is a cheap app or two to get the ...

Apple’s $149 iSight ( ; December 2003 ) allows you to do some amazing things: hold video chats with friends across the planet and keep an eye on things at home while traveling. But you also have to ...