Contact-tracing privacy, Zoom buys Keybase, Microsoft eyes CyberX – TechCrunch

As the world looks to reopen after weeks of lockdown, governments are turning to contact tracing to understand the spread of the deadly coronavirus. Most nations are leaning toward privacy-focused apps that use Bluetooth signals to create an anonymous profile of where a person has been and when. Some, like Israel, are bucking the trend and are using location and cell phone data to track the