WhatsApp had revenues of $20 million last year -- clearly much lower than their userbase -- and from reports on here most people were unaware any $1 per year th

WhatsApp had revenues of $20 million last year -- clearly much lower than their userbase -- and from reports on here most people were unaware any $1 per year thing even existed. Their site doesn't seem to even mention the $1 thing, but instead declares -- without time restriction -- that it is entirely free.