If you like Whole Foods, Amazon is coming up with a way to make paying for your groceries that much faster. You'll soon be able to swipe your palm. 

It's setting up a palm-scanning payment system at 65 locations here in California. Of course, you'll need to give Amazon and Whole Foods your phone number and credit card. Are we giving up privacy for convenience? Anne Ahola Ward is CEO of the digital marketing agency CircleClick. She's a Silicon Valley tech expert.