For a whooping 19 billion? In context, Instagram's purchase seem like a affordable one now, haha!
Many of you would ask, why? Since WhatsApp is ad-free and very likely to stay that way.
Here is a few articles to answer your queries and satisfy your curiosity.
Facebook to acquire mobile messaging service WhatsApp - Fortune Tech
"As part of the deal, WhatsApp co-founder and CEO Jan Koum will join Facebook's board of directors. And just as with Instagram, WhatsApp will continue to operate independently under its own brand."
"The service boasts 450 million active users, a number that has more than doubled over the past nine months. What's more, more than 70% of them log on every single day."
WhatsApp reportedly turned down a $10B offer from Google
"Google reportedly didn’t offer WhatsApp a board seat — whereas Facebook gave up a seat to WhatsApp cofounder Jan Koum."
"By offering $10 billion, Google showed that it wasn’t afraid to outspend Facebook’s previously mammoth (and potentially overvalued) purchases. But Google likely couldn’t have guessed that Facebook would offer almost twice as much."
All the Major Companies Worth Less Than WhatsApp
"One of the co-founders, who is now a billionaire with the sale of WhatsApp to Facebook, didn't get hired by Twitter or Facebook in 2009. Now how's that for a happy ending?"
Is WhatsApp Worth $19bn? It Is To Facebook, And Here’s Why
"Facebook bought a network that was a real threat to its existence, that is growing much faster than itself (growth drives valuations) and has almost half as many members already, for only 10% of its value. And it prevented it from going to Google."
"hence an attack on the telco industry, on size alone, it is as big as half of all the texting that goes on in the world."
"WhatsApp killed the I-bill-you-by-text-message telco model. I would not be surprised if WhatsApp next move is to kill the I-bill-you-by-the-minute model. It is not reasonable that Facebook, which wants to connect everyone on the planet, still does not have a platform for people to have actual conversations a la Viber or Skype. I can’t imagine that things will stay this way. And owning the world’s texting and the world’s conversations may very well be worth $19bn."