WhatsApp CEO, Co-Founder Jan Koum Is Leaving Facebook

WhatsApp CEO, Co-Founder Jan Koum Is Leaving Facebook

WhatsApp CEO, Co-Founder Jan Koum Is Leaving Facebook

"It's been nearly a decade since Brian [Acton] and I started WhatsApp, and it's been an fantastic journey with some of the best people".

Despite the apparent hard feelings reported by the Post, Koum wrote, "I'll still be cheering WhatsApp on - just from the outside".

"It's been nearly a decade since Brian and I started WhatsApp, and it's been an fantastic journey with some of the best people", Koum said in a Facebook post.

Amid ongoing scrutiny over Facebook's privacy and security standards, WhatsApp founder Jan Koum announced Monday that he's leaving the company.

Koum said he planned to take "some time off" to collect "rare air-cooled Porsches" and play ultimate frisbee. Other WhatsApp employees are demoralized and plan to to leave in November, four years and a month after the Facebook acquisition, when they are allowed to exercise all their stock options.

Koum's post doesn't include an explanation of exactly why he's leaving other than "doing things I enjoy outside of technology".

Jan: I will miss working so closely with you.

Concerns about Facebook's handling of personal information have grown since the social network's admission in March that the data of millions of users was wrongly harvested by political consultancy Cambridge Analytica.

However, Facebook has been under pressure to make money out of the free, encrypted messaging service, which now has 1.5 billion monthly users, and has been taking steps that have chipped away at some of WhatsApp's values. Dwoskin reports that, during one change to WhatsApp's terms of service, Facebook bosses wanted to create user-specific profiles that could reach across platforms like Facebook and Instagram-and thus be used "for ad-targeting or for Facebook's data-mining".

Facebook scrapped WhatsApp's annual fee but Mr Koum and Mr Zuckerberg ruled out advertising on WhatsApp.

Facebook CEO Mark Zuckerberg wrote a direct response to Koum's Facebook post, pushing back against the suggestion that encryption will be weakened on WhatsApp.

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