WhatsApp launched on_________?
Correct answer: C. 24 feb 2009
- A. 24 feb 2007
- B. 24 feb 2008
- C. 24 feb 2009
- 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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