Products like Facebook and Twitter are spaces that people don't just use but exist in. They are environments that form behavior. .. People act differently on Twitter, Facebook, Quora, 4chan, Snapchat, not because these are all different types of people but because of the way these spaces are designed. We should learn how to create spaces to guide and encourage behavior. .. The point is that every space has attributes that form behavior. If you built a park with no trash cans, people would throw their trash on the ground.
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