
As giant companies race toward self-driving technology, smaller firms are using vehicle to vehicle technology to work toward a more profound — and in some ways opposing — goal.

How the confrontation between Donald Trump and Kim Jong-un has scrambled politics in Seoul.
Introducing this year’s Tech and Design Issue.

How will sex, death and liability change on the road to the driverless revolution?
What happens to roadkill or traffic tickets when our vehicles are in control?
Its very name was synonymous with the 20th-century economy. Now it’s trying to catch up with Silicon Valley on self-driving cars.
For Elon Musk’s company, autonomous driving is just a pit stop on the road to a better planet. Can it survive long enough to get there?
We are seeking candidates who will help relaunch the At War blog as a dedicated channel on nytimes.com.
The platform is so good at “microtargeting” that many small e-commerce companies barely even bother advertising anywhere else.
A veteran and Gold Star father watches a historic judgment with mixed feelings.
In this issue, a look at life beyond the steering wheel.
Readers respond.