Blame the iPhone. It was the first in a wave of smartphones with cameras that pack the pixels and precision of the real thing. In 2012, camera-equipped phones outsold cameras by a six-to-one ratio. Now the old guard is fighting back with these souped-up models.
Sensors are the next wave in personal tech. We already have heart-rate sensors, organic produce sensors, even laundry sensors. Matt Rogers, the tech whiz behind the Nest thermostat, surveys five gadgets on the bleeding edge.
The 3-D printing boom of the past few years brought with it a big promise: You can manufacture anything, anywhere. But for designers and engineers, whose work often revolves around rapid prototyping, a satisfactory 3-D printing technology has yet to surface.