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1

Fake review factories that run on Facebook and post five-star Amazon reviews

598 pointsby sefrostover 6 years ago

2

Get Lost in This Visualization of Interconnected Global Issues

1 pointsby sefrostover 7 years ago

3

Improbable that virtual-world startup is worth $1bn? Don't bet against it

1 pointsby sefrostabout 8 years ago

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