Latest from Geoffrey A. Fowler
Worried about Election Day? Now if you vote by mail, you can obsessively track your ballot’s every move online.
  • Sep 18, 2020
The marketing of 5G is getting ahead of 5G technology, which is putting the emphasis on wider coverage rather than speed.
  • Sep 8, 2020
We speed tested 5G phones against 4G ones. America’s new nationwide 5G networks weren’t much faster — and in some places they were slower.
  • Sep 8, 2020
The Halo Band listens to your conversations so its AI can tell you how you sound to others. And its app scans your body three-dimensionally to measure fat.
  • Aug 27, 2020
Bluetooth exposure-notification apps like Virginia’s Covidwise aren’t much of a privacy risk. But we won’t know if they’re useful until many more people try them.
  • Aug 18, 2020
COVIDWISE uses Bluetooth signals to determine if you might have come into contact with a person who tests positive for the novel coronavirus.
  • Aug 17, 2020
Estas son las preguntas que hay que hacer, y los errores que hay que evitar, para un año en el que las clases se imparten desde una laptop.
  • Aug 13, 2020
Here are the questions to ask — and mistakes to avoid — for a year when school happens on a laptop.
  • Aug 10, 2020
The Galaxy Z Fold2 shows Samsung is iterating fast — and still thinks there’s a market for very expensive phones.
  • Aug 5, 2020