WhatsApp Founder Hengkang Gara-Gara Facebook scandal

WhatsApp founder and CEO, Jan Koum, surprisingly announced his resignation. What is the reason he left the instant messaging service he founded?
According to what was launched by Gizmodo on Tuesday (01/05/2018), the reason Koum stepped out because it was embarrassed by the scandal abuse tens of millions of data users who overwrite Facebook recently.
Koum confessed against Facebook's strategy and company's efforts to use the personal data of WhatsApp users, and even weakened its security.

"Approximately it's been almost a decade since I and Brian Acton started WhatsApp I think it's (finally), it's an exciting and awesome journey with the best guys," Koum wrote on his Facebook. Brian Acton himself is a colleague of Koum, who is also one of the founders of WhatsApp.
"Time to go, this is my time to move on," he continued. Unfortunately, Koum did not reveal when he would leave WhatsApp.

Facebook CEO and founder Mark Zucerberg also responded to Koum's announcement. He also commented on Koum post and thanked him. "To be sure, I will miss working with you," Zuck wrote, so called to be called.
Just a flashback, Acton and his partner, Jan Koum, sell WhatsApp to Facebook in 2014 worth US $ 22 billion (equivalent to Rp 302 trillion).

In this large corporate action deal, Acton pocketed US $ 3 billion (Rp 41 trillion) and then has a net worth of US $ 5.5 billion (Rp 75 trillion), according to Forbes.
At the time of acquisition, Acton remained in WhatsApp for nearly three years, until finally he came out of Facebook in September 2017.
After resign, it creates an encrypted instant messaging app called Signal. And in February, Acton set up a nonprofit Signal Foundation foundation as Executive Chairman and invested as much as US $ 50 million (Rp 680 billion).