On the internet today, larger tech companies like Google, Facebook, and Amazon can sometimes feel like inescapable presences. Google, in particular, tracks the way you use its search engine and other apps... But the things Google keeps track of can actually extend far further than you might expect, given the prevalence of Google Analytics and Google’s ad networks. In an effort to better understand what kinds of data is sent to Google, where it happens, and when it occurs, developer Bert Hubert — best known as the original creator of PowerDNS — created a new app called “Googerteller.” Googerteller works...