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SAN FRANCISCO — More than a second before a self-driving car operated by Uber struck and killed a pedestrian in March, the vehicle’s computer system determined it needed to brake to avoid a crash. But a built-in emergency braking system had been disabled while the car was in autonomous mode to ensure a smoother ride,…


Tech Tip: Curing the Full-Up Tablet Blues

Tech Tip If you can’t download more movies and shows because your Android tablet has run out of storage space, consider these expansion options. Q. My Android tablet says it’s running out of space and can’t download videos. Is it possible to add more, and if so, how? A. Many Android tablets — including certain…

Apple, Spurned by Others, Signs Deal With Volkswagen for Driverless Cars

Two former Apple employees also recalled how their colleagues built a model of a sport-utility vehicle with four seats facing each other, which some employees tested by sitting inside, similar to a design Mercedes advertised in 2015. As recently as 2016, Apple planned to spend hundreds of millions of dollars to build research and development…

Uber Finds Profits in Leaving Tough Overseas Markets

SAN FRANCISCO — Uber, which has had a reputation for aggressive pursuit of market share even at the expense of profitability, reported a rare quarterly profit on Wednesday that was driven by taking the opposite approach: Waving the white flag in challenging overseas markets. In March, Uber agreed to sell its ride and food-delivery businesses…

Tech Tip: A Wrinkle in Time Keeping

Tech Tip If you don’t want your phone’s calendar to change time zones when you travel, you can lock down your appointments. Q. When I travel, how do I make my iPhone’s calendar stop moving the business appointments I originally made at home to the time zone of the city I’m in? I want my…