Facebook collects a wide range of private data from developers
For people reading this article and immediately passing judgements on Facebook, do remember that other networks/SDKs including Google, Applovin, Appsflyer - all capture the same information from the app which WSJ is reporting here. Of course, it makes the narrative softer if you blame all tech companies vs. their favorite whipping candidate (which is Facebook) these days.Here is a question to consider. If Facebook doesn't do this and all other companies do and use that data for optimization and measurement purposes, won't FB unilaterally lose out? The solution is either no one does it or everyone does it. There is no in between.