Most smartphones (and digital cameras) on the market today use either phase detection, contrast detection, or a mixture of both (hybrid) in order to properly focus a subject. These methods utilize the ...

Luke Westaway is a senior editor at CNET and writer/ presenter of Adventures in Tech, a thrilling gadget show produced in our London office. Luke's focus is on keeping you in the loop with a mix of ...

Richard Trenholm was CNET's film and TV editor, covering the big screen, small screen and streaming. A member of the Film Critic's Circle, he's covered technology and culture from London's tech scene ...