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Sustainability + Human DevelopmentIs the food we eat scalable, sustainable, healthy, nutritious and tasty? Is the air we breathe clean?Is the water we drink pure?Is there a way to produce energy that is relatively abundant, cheap and clean?Is there a way to reverse or mitigate climate change?Can we create a livable habitat on another planet?Can we... See more

Use Slack if…

-It wants its customers to get very big, but not so big that they build in-house

The device model that could perhaps replace the smartphone is VR, or AR, or both. These cannot reach more people than smartphones (again - we ran out of people) but they could nonetheless replace the experience.