When the zombie apocalypse comes, Russian zombies will use Wi-Fi to co-ordinate:

• The city of Moscow is making Wi-Fi available at its most historic cemeteries.
• Officials hope this will encourage youth to congregate at graveyards where they can “unwind” and perhaps learn a little about the country’s history.
• It may also encourage visitors to look up the histories of some of the more famous people, such as Stalin, buried there.
• Two of the graveyards already have GPS systems that make it easier to locate notable resting places.

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Source: Mental Floss, The Week