Israel, it seems, is a social media mecca.

More than 90% of Israelis use WhatsApp at least twice a day, 85% are devoted to Facebook, and 76% are regular users of Instagram. That means most of us have been living in the uncomfortable zone of knowing but not really knowing that there is an inbuilt problem with social media.

However, in recent months the unknowing part of our consciousness has been given a wake-up call, partly as the result of revelations in the Wall Street Journal based on information supplied by a former Facebook employee.

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