INTRODUCTION

“IT IS NICE TO BE NICE.”

You’ll find this phrase everywhere at ThinkUp, a service that sends its users daily updates about their interactions on social media. By all accounts, ThinkUp cares deeply about its members. It doesn’t sell data. It doesn’t run advertising. And it has worked hard to develop more meaningful features than simply tracking faves and follower counts.

One such feature is “BFF,” which sends users an email alert about the social profile they’ve been interacting with most, accompanied by one of five or six programmed headlines: “Peas in a pod,” “Best buds,” “Get a room!”

That last one gave cofounder Anil Dash pause. “I dunno…” he remembers saying to the writer. But the team did a quick straw poll, and everyone decided ...

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