Tipping gone wild, laptop expiry dates & the latest on cellphone radiation

Plus, a happy story: a bank teller stopped a woman from being scammed $50K. Netflix's password crackdown is actually working — I've got the numbers. PC sales are plummeting, how to secure your intimate photos in the cloud, and tips to make your phone run fast. Learn more about your ad choices. Visit megaphone.fm/adchoices