Facebook's data collection capabilities apparently extend to tracking all the phone calls on Android devices. As the post-Cambridge Analytica scandal fallout continues to unfold, some Facebook users are downloading their data from the social media platform and uncovering a surprise: Detailed phone records, including dates, times, call lengths, call recipients, and phone numbers. SEE ALSO: To understand Facebook's betrayal, just look at my mom It's only happening with people who use Android devices, and only when certain data approvals are granted. For example: I switched to the Android ecosystem several years ago, but there's no record of calls in my own Facebook data download. That wasn't the case for Dylan McKay, a New Zealand-based programmer whose tweeted screenshot of Facebook's collected phone data went viral last week.