• In this July 30, 2014, file photo, Silicon Valley pioneer and Silent Circle co-founder Jon Callas holds up Blackphone with encryption apps displayed on it at the Computer History Museum in Mountain View, Calif. The Paris terrorist attacks have renewed the debate between law-enforcement officials and privacy advocates over whether there should be limits to encryption technology. (AP Photo/Eric Risberg, File)

    Why government and tech can’t agree about encryption

    NEW YORK (AP) — Your phone is getting better and better at protecting your privacy. But Uncle Sam isn’t totally comfortable with that, because it’s also complicating the work of tracking criminals and potential national-security threats.

  • In this Jan. 5, 2015, file photo, Joe Stinziano, executive vice president of Samsung Electronics America, introduces a Samsung SUHD 4K TV at a news conference in Las Vegas. There’s an emerging picture standard that offers four times the pixels of today’s high definition. It’s known as ultra-high definition, or 4K. But do you need it? (AP Photo/John Locher, File)

    TV Buying Guide: Get out tape measure before shopping

    LOS ANGELES (AP) — If you’re shopping for a TV, get out a tape measure and do some quick calculations before you head to the store. And count the number of gadgets you’ll want to connect to your screen.

  • This image provided by Tiggly shows Tiggly Words. Tiggly aims to make learning fun by combining toy shapes and letters with apps for iPads or Android tablets. (Tiggly via AP)

    Gift Guide: Kiddie tech beyond video games, tablets

    NEW YORK (AP) — What to get a tech-savvy kid who’s tired of the same old tablets and video games? New toys this year range from easy-to-use sets for building circuits to a talking dinosaur powered by IBM’s Watson artificial-intelligence system.