One of the most used mobile messaging app WhatsApp, which was recently bought by Facebook for $19 billion. It has 476 million users who use it in a regular basis. The company had announced in the month of January 2014 that it had its highest number of messages handled for a day was 50 billion, this has changed now.
The company recently tweeted that it has handled around 64 billion messages in one day, the company has grown in a great range in a very few time. The company is planning to roll out internet calling feature this summer, hope all goes well and we enjoy more of the great product.