Zuckerburg lost his patience on finding an innovative way to monetize Instagram and went for the traditional "Sponsored ADS" popping every 5-6 posts on your feed. The implementation features the same systems that analyze and target you depending on your behavior.
However, the big question remains, how would he be able to fully monetize Whatsapp, his biggest acquisition to date with a 21 Billion $ Price tag?
Among all the social media platforms we use, monetizing Instant Messaging seems to be the hardest. It is actually a real challenge to do that without messing with the experience and privacy of IM Platforms.