Then in August 2019 Facebook also claimed to the DCMS committee that the app audit was "ongoing". In its original audit pledge — in March 2018 — Zuckerberg promised a root and branch investigation into any other 'sketchy' apps operating on Facebook's platform, responding in a 'crisis' length Facebook post to the revelations that a third party had illicitly obtained data on millions of users with the aim of building psychographic profiles for voter targeting. It later turned out that an app developer, operating freely on Facebook's platform under existing developer policies, had sold user data to Cambridge Analytica.