When is it appropriate for police to conduct a face recognition search? To figure out who's who in a crowd of protesters? To monitor foot traffic in a high-crime neighborhood? To confirm the identity of a suspect -- or a witness -- caught on tape? According to a new report by Georgetown Law's Center on Privacy & Technology, these are questions very few police departments asked before widely deploying face recognition systems.

Tesla announced Wednesday that all cars being produced today and going forward will be equipped with the necessary hardware to support fully autonomous driving -- including the upcoming Model 3. The required hardware includes eight cameras that add up to 360-degree visibility, 12 updated ultrasonic sensors with added sensitivity, and a forward-facing radar the company says will see through heavy rain, fog, dust "and even the car ahead." With the upgrade, Tesla moves further down the road to making its fleet of electric vehicles capable of driving without human direction, when the software and regulations allow for it. Chief Executive Elon Musk used a news briefing after the announcement to lay into media for spotlighting accidents that occur with Tesla cars using its Autopilot driver assist systems, without putting the accidents in context of the large number of overall traffic deaths. "You effectively dissuade people from using autonomous vehicles, and you're killing people," he said. The latest hardware upgrade adds yet another project to Musk's ever-rising stack of ambitions.

After snapping up Irvine television maker Vizio in July for 2 billion in cash, Chinese tech firm LeEco made its official U.S. debut Wednesday, hosting a San Francisco news conference to spell out its ambitions to sell gadgets as varied as phones and cars. During the two-hour presentation, the company ran through nearly a dozen products it plans to launch, including a range of 4K smart TVs, the Le Pro3 and Le S3 smartphones, a virtual reality headset, a smart bicycle that can travel up to 30 mph, a video streaming service and two smart cars: the semi-autonomous LeSee and the fully autonomous LeSee Pro concept car. But the LeSee was noticeably absent from the news conference. LeEco founder Jia Yueting told the audience it got into a "serious accident" while in transit from Los Angeles to Silicon Valley. The LeSee Pro, present at the event, sat stationary on display.