Germany says that they will soon launch an app that will use bluetooth to keep track of all the people you are near and to automatically alert you if you have come in close contact with someone who tests positive for Covid-19. And importantly, they say this can be done while protecting your privacy. If that’s truly so: great. I’m skeptical that privacy really can be protected but eager for a system like this. Making it work is going to be one of the challenges of our time for security experts.

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How can we possibly make a vaccine come more quickly? Would it be ethical to run challenge trials, where volunteers submit to getting the virus as part of a test? A new paper has proposed just that.

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A few months ago, while we were talking about climate change, one of my children asked: “”If there’s one thing that I could invent that would help, what would it be?” We decided to devote an issue of Wired to this question, and it’s just out now—with essays on battery technology, rice farms, urban design, wind power, and much, much more. The key message: with the right science and tech, we can solve this problem.”

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Zoom is facing a backlash—over their privacy policies and encryption. It’s now negative story after negative story. It’s clearly a company that cut a few corners while racing to grow fast. Now it’s time for it to slow down and to review its whole tech stack and privacy policies. The world depends on it now, and we all need to completely trust it too.

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Amazon and Instacart are hiring hundreds of thousands of people. Will those jobs still exist when all this over? Or, put another way, we’re all learning to order everything and get everything delivered now. Will we keep these habits when we’re allowed to go back into stores?

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Unemployment is soaring and outdated software at state offices is compounding the problem. New York E-M-S systems are reaching their limits with COVID-19 calls. New Orleans is facing a virus nightmare and Mardi Gras may be to blame. Catch up on the most important news today in 2 minutes or less. Get even more news you can use with the Tech in Two newsletter. Sign up here: https://www.wired.com/tt".

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