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Publisher's Summary

Mikotaj Jan Piskorski, an associate professor in the strategy unit at Harvard Business School, writes about how businesses that thrive on social platforms don’t just sell stuff – they also help people connect.

This article was first published in the November 2011 issue of Harvard Business Review.

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©2011 by the President and Fellows of Harvard College, All Rights Reserved (P)2011 Audible Inc.

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