EFF: “In Part 1 of our series on Fog Data Science, we saw how when you give some apps permission to view your location, it can end up being packaged and sold to numerous other companies. Fog Data Science is one of those companies, and it has created a sleek search engine called Fog Reveal that allows cops to browse through that location data as if they were Google Maps results. In this article, we’ll be taking a deep dive into Fog Reveal’s features. Although accounts for Reveal are typically only available to police departments, we were able to analyze the app’s public-facing code to get a better understanding of how it works, how it’s used, and what it looks like when cops get warrantless access to your location data…”