There's a lot of apeness in the world of startups and tech. Is Whatsapp worth $55 dollars per user? If you pay 1 dollar per year and you have no advertisement?

There's a lot of apeness in the world of startups and tech. Is Whatsapp worth $55 dollars per user? If you pay 1 dollar per year and you have no advertisement? Really hard to believe, unless the money is coming from monetizing nosy activities. Doesn't possibly add up.