Facebook provides a suite of turnkey app-building tools for Android that are widely used among the most popular Google Play apps, with billions of combined installs; naturally, these tools create incredibly data-hungry defaults in the apps that incorporate them, so that even before you do anything with an app, it has already snaffled up a titanic amount of data, tied it into your Google Ad ID (which is recycled by Facebook to join up data from different sources) and sent it to Facebook. Read the rest