Was it once illegal for kids to drink Milkshakes?

Who invented the Milkshake? What invention helped make Milkshakes so popular? How do you make the perfect Milkshake? This is a free preview of Subscriber Episode. With your Who Smarted+ subscription you'll get an extra episode every week - for a total of THREE episodes - plus you'll get all of them ad-free AND free bonus content. Ready for a free trial? Sign up right in the Apple app, or directly with us . Get official Who Smarted? Merch: tee-shirts, mugs, hoodies and more, at Who Smarted? For more information about our other projects, including bespoke branded podcasts and series for your company, check out Atomic Entertainment .