Big Tech

How to be a techno-optimist
Apple Watch now approved to track Parkinson’s symptoms
A more efficient way of urban mining gold
Bluetooth hack breaks into cars and smart locks 
From robotic dogs to magnetic slime: 6 ways robots are helping humans 
Google Maps’ “Immersive View” shows cities in a whole new way
public WiFi
Should we build high-speed public WiFi into street lights?
career certificate
Google Career Certificate programs are now free for US businesses
What will happen if Elon Musk does buy Twitter? (Updated) 
Computer scientists explain how to stop smart devices from spying on you