CEO of WhatsApp-Jan Koum has stated today at the Mobile World Congress in Barcelona, Spain that WhatsApp which was bought by Facebook last week for $19 billion is set to add voice calling within few months in a bid to take on phone firms.
Jan Koum said, ‘We are going to introduce voice in WhatsApp in the second quarter of this year..I think we have the best voice product out there.We use the least amount of bandwidth.’