In his research, biological anthropologist Robin Dunbar poses that the typical number of people we can keep meaningful relationships with sits at around 150, and that this number is limited by the size of our brains. We discuss how it applies to us, if social media has impacted it, what it means for businesses and if we should be influenced by it when writing wedding invites or christmas cards...! :-)

How does the number 150 sit with you and your social network?

Or the number of contacts on your phone?

Or even the number of people invited to your wedding?

We'd love to hear from you. Let us know at hello@sketchplanations.com or by leaving comments and messages for this episode on Instagram or Twitter.

You can find all three of us on Social Media here too: Jono Hey, Tom Pellereau, Rob Bell.

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All Music on this podcast series is provided by Franc Cinelli. Find many more tracks at franccinelli.com

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