The Happiness Lab with Dr. Laurie Santos

Why You're Still Using Social Media (Even If You Want to Stop) with Dr. Cass Sunstein

94 snips
Mar 23, 2026
Dr. Cass Sunstein, Harvard Law professor and behavioral scientist known for work on nudges and public policy, discusses the “product trap” that keeps people stuck on platforms that lower well-being. He explains why social costs and peer pressure force participation. They explore experiments showing willingness-to-pay gaps and outline three paths out: communities, company design, and regulation.
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INSIGHT

What A Product Trap Is

  • Product traps are goods people consume mainly because they would incur social costs if they didn't, not because the product increases their personal well-being.
  • Cass Sunstein uses social media, visible consumption (filters, Botox), and peer pressure examples to show how presence of others drives usage even when individuals dislike it.
ANECDOTE

Students Name Filters And Botox As Traps

  • Laurie Santos' students pointed to photo filters and Botox as product traps they resent but use to avoid standing out.
  • She also recounted her production team's Elf on the Shelf example to show holiday-norm pressure.
INSIGHT

How Non-User Externalities Work

  • Non-user externalities occur when not using a product imposes social costs like damaged reputation or perceived antisociality.
  • Cass illustrates with parties and social signals: skipping an event can signal you dislike hosts or are antisocial, forcing attendance.
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