Facebook’s Mark Zuckerberg Vows to Bolster Privacy Amid Cambridge Analytica Crisis<br />This has to be recognized as part of their business model and not just a one-off problem.”<br />In 2013, Aleksandr Kogan, a Cambridge University researcher, created a personality quiz app that about 300,000 people installed, Mr. Zuckerberg wrote.<br />By SHEERA FRENKEL and KEVIN ROOSEMARCH 21, 2018<br />He also said the company would restrict third-party developers’ access to data on the social network.<br />“These actions would prevent any app like Kogan’s from being able to access so much data today,” he wrote.<br />In 2015, The Guardian reported on Mr. Kogan, who had by then shared his data<br />and findings with Cambridge Analytica, which used the material to target American voters during the 2016 campaign<br />“You need to come to Congress and testify to this under oath,” Senator Ed Markey,<br />Democrat of Massachusetts, tweeted in response to Mr. Zuckerberg’s post.
