Amazon has patented technology that would allow its devices to read your emotional and physical state, and sell advertisements based on them. Are we entering the era of the mood-targeted ad?
For the first time, police have compelled a suspect to unlock his phone using Face ID. The case reveals an interesting inversion: More advanced password technology is less protected from police seizure.
After Parkland, schools are installing gunshot-detection systems typically used in cities like Oakland and Chicago. But are they worth the expense?
Body cameras that automatically activate in response to the sound of gunfire could forever change people’s expectations about public spaces.