Despite its dark image, the dark web is not entirely criminal. Human rights organizations use the platform to circumvent government censorship and spread life-saving information.As social media networks continue to attract more users and as we get increasingly addicted to them, a new phenomenon is emerging: new underground movements that are changing cities and raising concerns. While most people are busy documenting every detail of their lives, some are heading in the opposite direction. In the streets of Tel Aviv, New York, and Berlin, secret communities have been sprouting in recent years – groups of activists and change-seekers who prefer...