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Whatsapp is an application that allows users to send photos, videos, messages, and voice messages. All users are identified with their own number. It is compatible with android smartphone, tablets and PC.

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It was created in two thousand and nine.

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Whatsapp was created by Jan Koum and Brian Acton. Jan Koum was a officer worker on yahoo in 2007 Jan Koum was created whatsapp and push notification.

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4) Pro and cons (good point, bad points)

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4) Pro and cons (good point, bad points)

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-Good points
It's free.
It's doesn't show advertising content.
-Bad points
It isn't possible to cancel sending a message.
It requires sharing of phone number.

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There are many cases of people suffering virtual violences, which are countless and the main ones are cyberbulying and sexual harassment; these events happen to boys and girls of all ages on whom the attitudes of these cyberbullies fall on their mental health, compromising it.