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Asked in a 2009 paperModerate

WhatsApp launched on_________?

Correct answer: A. 24 feb 2009

  • A. 24 feb 2009
  • B. 24 feb 2008
  • C. 24 feb 2007
  • D. None

Explanation

WhatsApp was founded and launched in February 2009 by Jan Koum and Brian Acton. The commonly cited launch date is 24 February 2009.

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About Inventions and Discoveries

Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.

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