As you start drinking your coffee, a little shutter slides shut across the lid of your coffee cup. It'll only open if you create an account, log in and agree t

As you start drinking your coffee, a little shutter slides shut across the lid of your coffee cup. It'll only open if you create an account, log in and agree to every sip you take being recorded and measured. Sure, it's possible to prise the lid off manually or use a special shutter-blocker, but you often end up with a broken cup. And coffee shop owners call you a thief and find ways to thwart your blocker.