Banning the Chinese-owned social media platforms raises free speech concerns and could worsen the US-China trade war.

Self-regulation by the technology industry has failed to keep people safe online. That's a job for government.

Private mode browsing is a useful way to cover your online tracks. Just don't read too much into the word 'private.'

Effective national leadership and trust in government appear to be prerequisites for countries to achieve widespread digital contact tracing.

Artificial intelligence insatiable data needs has encouraged the mass collection of personal data, placing privacy at risk. But AI can help solve the very problem it creates.

Smartphone apps and wearable devices can tell when workers have been within six feet of each other, promising to help curb the coronavirus. But they're not all the same when it comes to privacy.

Bluetooth wireless communication makes it possible for people to get alerts on their phones when they've been exposed to the coronavirus. Adding the right cryptography scheme keeps those alerts private.

Zoom's privacy and security shortcomings are just the latest videoconferencing vulnerabilities. Knowing each platform's risks can help people avoid many of the downsides of virtual gatherings.