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Contagious

Research-backed ideas for why messages spread, useful when framed ethically. For CoachGuido readers, the value is in applying the idea to a real coaching business: clearer offers, better conversations, more professional delivery, and more responsible client expectations.

Jonah Berger Simon & Schuster 2013
Contagious book cover

Best for

Contagious by Jonah Berger (2013) is best for coaches who want a stronger practical lens on word of mouth, especially when they need clearer language, better judgment, or a more useful client conversation.

Why it matters

Research-backed ideas for why messages spread, useful when framed ethically. For CoachGuido readers, the value is in applying the idea to a real coaching business: clearer offers, better conversations, more professional delivery, and more responsible client expectations.

Limitations

Use the useful principle without turning the book into a formula. The book can support better thinking, but it does not guarantee clients, income, transformation, or client outcomes.