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[dupe] Facebook is destructive to society.We'll invest $100K if you build a replacement (openbookchallenge.com)
21 points by madradavid 10 months ago | past | web | 13 comments
Create a better social product to replace Facebook challenge (openbookchallenge.com)
51 points by baili 12 months ago | past | web | 24 comments

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