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Knightscope's security robots might deter some crime, but the new robots are a ways from machine-learning crime prediction.
Taobao, a Chinese vendor, is selling "safety sleeping masks" specifically for the purpose of protecting your iPhone's security.
If you're flying Delta out of Reagan Washington National Airport, you might be able to use your finger to board your plane.
New restrictions for passengers flying from Mexico and Canada to the United States sound pretty familiar.