A viral "Death Clock" app is using artificial intelligence to let people know not just when they're going to die, but how. Using AI to analyze your diet, sleep, health information, lifestyle, drinking ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

With life’s busy schedule, keeping track of time without a clock is challenging. We’re so dependent on this device that even when we go to sleep, we need an alarm clock to remind us to wake up. Not ...