In August 2011 a beta for Nokia's non-smartphone OS Series 40 was added.
A month later support for Windows Phone was added, followed by Black Berry 10 in March 2013.
Best of all, this Drum Kit is 100% Royalty-Free, meaning you can use them in personal or commercial compositions at no extra cost.
Koum then hired a friend who lived in Los Angeles, Chris Peiffer, to develop the Black Berry version, which arrived two months later.
Whats App was switched from a free to paid service to avoid growing too fast, mainly because the primary cost was sending verification texts to users.
Within a week, Whats App introduces an update allowing users to disable this feature so that message recipients do not send acknowledgements.
Diego Dzodan, a Facebook executive, is arrested by Brazilian federal police after Facebook fails to turn over information from his Whats App messaging account into a judge's request for a drug trafficking investigation.