TV and home video editor Ty Pendlebury joined CNET Australia in 2006, and moved to New York City to be a part of CNET in 2011. He tests, reviews and writes about the latest TVs and audio equipment.

Have you ever worried if scanning your loyalty card was a good idea? Are you giving up too much of your data and buying history? Interestingly, new evidence suggests that your gut instinct might be ...