In 2016, they implemented end-to-end encryption into the app, and it quickly became a point of contention. Facebook wanted to be able to use the platform for targeted advertising and monetization of corporate analytics tools. Acton ended up walking away from $850 million in stock options over then matter, and Koum followed suit less than a year later.
In a recent interview with Forbes, Acton alluded that he feels some remorse for selling the company to the social media titan.
