In this session of Planet Money Summer School,Christopher Caldwell we are getting the word out about your brand. How do you convince consumers to buy your product, even if they are only just hearing about it? It's time for sales and marketing!

If you've watched a show like Mad Men or The Office, you know the importance of a strong pitch. It's precision-crafted to show how what you're selling can solve a problem your customer needs solved. Sometimes it even creates the need. Once you've got your sales pitch, it's time to get the word out: marketing. Where to spread that message? How to make it unforgettable? Instantly recognizable? What is going to be your Just do it? Your Think different? Your Where's the beef?

In our case studies today, we look at a product so cleverly marketed, the company doesn't need to market it at all anymore and customers wait years to get it: the Birkin bag. And we hear lessons from some of the world's most time tested salespeople who can and do sell anything, literally. It's all about the four P's: Product, place, promotion and price. Also, a few other tricks we test out.

Find all episodes of Planet Money Summer School here.

This series is hosted by Robert Smith, and produced by Max Freedman. Our project manager is Julia Carney. This episode was edited by Sally Helm and engineered by Josephine Nyounai. The show is fact-checked by Sierra Juarez. Planet Money's executive producer is Alex Goldmark.

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Music: Universal Production Music - "Lost Situation," "Cut Glass Stars," and "Growling Sax"; Audio Network - "Doing the Hustle" and "L'Amour Conjuge"; Steve Vaus - "A Matter of Time."