Though the Cambridge Analytica revelations contributed to a climate of broader frustration with Facebook among WhatsApp employees, Koum made his decision to leave prior to the scandal, the people said.
He said he would still be cheering WhatsApp on from the outside.
To attract more advertisers to WhatsApp, there were also discussions about weakening the platform's end-to-end encryption, which essentially prevents anyone, including Facebook or WhatsApp, from reading the contents of messages sent over the service. Only two other Facebook executives - CEO Mark Zuckerberg and Chief Operating Officer Sheryl Sandberg - are members of the board. "Those values will always be at the heart of WhatsApp", Zuckerberg wrote in a comment on Koum's Facebook post.
Messrs. Koum and Acton had clauses in their contracts with Facebook that allowed an acceleration of their contracts if Facebook added advertising to the app. Mr. Koum's contract with Facebook wasn't supposed to end until November, the person familiar with the matter said.
In 2016, WhatsApp announced it would start sharing some user data, including phone numbers, with Facebook - a move that was deeply unpopular among European regulators, who ordered Facebook to stop collecting data from WhatsApp users and fined the company.
Announcing his departure in a Facebook post, Koum mentions none of the reported issues that apparently prompted him to walk away. One political marketing company, Cambridge Analytica, that was part of Donald Trump's campaign, was given access to the data of 87 million users. Koum and Acton and other Facebook executives, the person said.
"It's not surprising given that Acton joined Signal after leaving Facebook", Jeff Pollard, an analyst at Forrester Research, said at the time.
WhatsApp is the largest messaging service in the world with 1.5 billion monthly users. Over 3 million people are actively using WhatsApp Business app. The founders also clashed with Facebook over building a mobile payments system on WhatsApp in India.
During closing arguments, Cosby's lawyers slammed.MeToo, calling Cosby its victim and likening it to a witch hunt or a lynching. Cosby must also wear a Global Positioning System monitoring device under the order issued Friday by Judge Steven O'Neill.
Austin, who is still a young speedster at 27 years old, has big play ability and is versatile enough to make an impact. All told, he had a career-low 13 receptions for 47 yards to complement 59 carries for 270 yards and a touchdown.
The deal would be the largest in the United Kingdom supermarket sector since Morrisons acquired the Safeway business in 2004. Liberal Democrat leader Sir Vince Cable said the Competition and Markets Authority (CMA) "must investigate" any deal.
The next largest was the ritual murder of 42 children in Templo Mayor in the Aztec capital of Tenochtitlán, now Mexico City. Along with the children's remains, archaeologists uncovered the bodies of one man and two women near the sacrificial site.
None of the charges directly relate to work he performed for Trump's campaign, and he has sought to have them dismissed. In her decision, the judge stated that a court shouldn't "interfere with or enjoin an ongoing criminal investigation".
In 2016, Trump didn't say he'd pick people just because he likes them - but that seems to be the big motivator here. In fact, the White House fully supported the plan but couldn't push it through Congress last month.
She also discusses her children, including newborn daughter Chicago , and her upcoming 4th wedding anniversary. Khloé Kardashian and Tristan Thompson have recently welcomed their new born baby True Thompson .
End to hostilities: Moon Jae-in and Kim Jong-un. "He has lived up to that for a longer period of time than anybody has seen". Kim and Moon pledged to seek a formal end to the Korean War by year's end and to rid the peninsula of nuclear weapons.
They landed Alabama Crimson Tide standout defensive back Minkah Fitzpatrick , making their secondary instantly better. Former Valor Christian star Christian McCaffrey was picked in the first round past year by the Carolina Panthers.
Apple results to reveal sales slowdown due to pricey iPhone X
The bigger question now is whether Apple can keep ramping up revenue from other sources, most importantly its services division. It is expected that Apple will show just 2 percent growth in smartphone sales compared to a year ago during the first quarter.
Michelle Wolf doubles down on controversial performance
But until President Trump's boycott in 2017 deprived the comedian of a foil, the evening had remained more or less the same. On Monday he said the dinner was "a total disaster and an embarrassment to our great Country and all that it stands for".
Ashley Judd suit claims Harvey Weinstein 'torpedoed' career
She had said she went to see Weinstein for a business meeting and he got sexually aggressive before she fled his hotel room. The lawsuit maintains that Weinstein was retaliating against Judd for refusing to engage in sexual activity with him.
Real Madrid will attack Bayern, vows Zidane
He was diagnosed with a painful shoulder sprain from the first leg of the clash in Allianz Arena. Bayern are in an identical position to last year's quarter-finals, when Real knocked them out.
Burning Man Founder Lee Harvey Dies At Age 70
Many stories have been told about why Harvey made a decision to build a wooden man and set it ablaze on the beach in 1986. By 1993, the festival attracted 1,000 people and began doubling in size each of the next couple of years.
Institutional Investors Hate on Marathon Oil Corp Falls
David Shaw decreased its stake in Marathon Pete Corp ( MPC ) by 15.38% based on its latest 2017Q4 regulatory filing with the SEC. It is negative, as 39 investors sold BK shares while 318 reduced holdings. 48 funds opened positions while 76 raised stakes.
3D Touch not an option on the 6.1-inch LCD iPhone
Kuo believes Apple will then drop the 3D Touch functionality so the company doesn't have to increase the cost of the phone. The 3D touch technology is possibly the most underrated technologies that Apple has ever developed in the past decade.
ESPN says Witten retiring now for 'MNF' analyst job
FRISCO, Texas (AP) - The Dallas Cowboys have drafted a tight end with Jason Witten on the verge of retirement after 15 seasons. ESPN has reported that Witten is planning to retire and join the network's "Monday Night Football " crew as lead analyst.