Urgent.News

What's breaking now, across thousands of outlets.

More in Tech

2026.37: Duo Threats

The best Stratechery content from the week of September 7, 2026, including the arrival of the Duo, AI that benefits humanity, and closing the book on a catastrophe.

VoIP, VPN, and the Build System Behind Them

In 2019, a reader asked whether our WhatsApp clone included VoIP. I said no . It would require native integration, and the setup was too much for that project. For years, that was the line.

More from Friday 11 September →