"Most people cover their webcam cameras, but don't think about the phones," says Kamkar.
The sets themselves got so cheap, resellers are practically giving them away, with many Black Friday deals offering 40- and 50-inch models in the $200 and $300 range. These same size sets were selling for around $1,000 in 2010.That's the good news. The bad: to turn a profit, manufacturersby selling your viewing habits to data brokers, letting them know what shows and networks you watch, your demographic and real estate locations and more.
Which brings us to the ever-present security doorbell cameras that are increasingly showing up in people's homes., has come under attack by privacy groups for being allegedly easy to hack, not just for the doorbell product.