"WhatsApp on Wednesday.Five years ago we had no users, no product, said Koum.Today we have 465 million active users, he said, adding that the company still had no marketing, relying mostly on word of mouth to prosper.WhatsApp had not planned any changes in the light of the Facebook takeover, Koum said.Mark really understands that for WhatsApp to stay successful it really needs to stay independ" . . . .