Oh, thank goodness. The embargo has lifted. I’m terrible at keeping secrets. Back in July, I spent a week diving and flying drones with the GoPro creative team off the northern coast of New Zealand.

GoPro has just announced three new models in its popular Hero actioncam line. The followup to the Hero 3, aptly named Hero 4, adds 4K recording at 30 frames per second. This should be a big ...