Wonderly Plus subscribers can listen to Business Wars daily ad-free right now.

Join Wonderly Plus in the Wondery app or on Apple Podcasts.

If you or someone you care about has cancer,

Macmillan Cancer Support's online community is here to help from day one.

Macmillan's free online forum provides a safe space to get support from both experts and others who've been

there. Members support each other anonymously, sharing what's helped them on a range of subjects,

from dealing with side effects such as hair loss and fatigue, to money worries and managing work,

or talking with children about a diagnosis. There are different forums on cancer types or experiences, opportunities to ask an expert,

and blog posts.

Find support 24-7 from people who get what it's like to have cancer.

To join, Search McMillan online community.

Our new book, The Art of Business Wars, features stories and lessons from history's

greatest business rivalries,

with powerful insights uncovered through hundreds of episodes of business wars.

Go to Wondery.com forward slash the, and this is Business Wars Daily on this Thursday, June 24th.

Earlier this month, a waitlist of over 30,000 hopeful customers anxiously anticipated the launch of a product, a product that's

been called a phenomenon, an innovation. What, you might ask, could possibly have such a hole on people?

Uh, it's a 40-ounce tumbler. A cup, I suppose. That's what its legions of fans call it, the cup.

Officially the Stanley Adventure Quencher, and it's officially wormed its way into the hearts and cabinets of hundreds of thousands of thirsty consumers.

The story of The Cup is about as close to a modern marketing fairy tale as you'll get these days, as outlined on BuzzFeed.

It starts with a woman buying a cup,

simple enough. She loves the cup, shares it with two of her friends, and all as well. Then,

...