# The "job" of a McDonald's milkshake

**Published by:** [Brandon Donnelly](https://brandondonnelly.com/)
**Published on:** 2020-01-24
**Categories:** business, clayton-christensen, disruptive-innovation, harvard-business-school, innovation, management, mcdonalds, tech, the-innovators-dilemma
**URL:** https://brandondonnelly.com/the-job-of-a-mcdonalds-milkshake

## Content

Management guru Clayton M. Christensen died this week. Sadly, he was only 67 (leukaemia). A professor at Harvard Business School, Christensen was best known for probably two things: His work on disruptive innovation and his teachings on how to live a more fulfilling life. If you've read anything on innovation and disruption, I am sure you've come across the work of Christensen. He had a way of explaining things by reframing them. Here is a short video about the "job" of a McDonald's milkshake. And here is another one where he explains the cycle of disruptive innovations, sustaining innovations, and efficiency innovations. Both videos are worth watching. https://youtu.be/Zn6-KksdOgE?t=67

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