On Feb. 24, 2009, Jan Koum incorporated WhatsApp Inc. in California and began developing what would become the biggest messaging application in the world within just a few years.
WhatsApp started as a basic way to send status updates to all of the friends in your phone address book, but as people started to use it as a way to send messages to their friends, Koum realized that he’d inadvertently created a messaging service. As Koum said, “Being able to reach somebody halfway across the world instantly, on a device that is always with you, was powerful.”
Today,
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