Your ‘Expectation of Privacy’

Last month, researchers at Stanford University announced they had developed software that was able to accurately predict a person’s sexual orientation.

Drawing from photos on a popular dating website, their program was able to correctly distinguish self-identified gay men from heterosexual men 81% of the time. It had a 71% success rate in distinguishing gay women from heterosexual women. When the algorithm was given five images of the same person to examine, the accuracy rose to 91% for men a...