Nearly cheat-proof smartphone knows if you're faking activity - news via @northwesternu

Summary: Health care providers and insurance companies are increasingly relying on smartphone and wearable activity trackers to reward active individuals for healthy behavior or to monitor patients. However, because activity trackers can be easily deceived, Northwestern Medicine and Northwestern Rehabilitation Institute of Chicago (RIC) researchers have designed a way to train smartphone trackers to spot the difference between fake and real activity.