In the evolving geography of American digital life, one company has quietly become the landscape itself. July data from Comscore reveals that Google controls six of the fifteen most-visited smartphone apps in the United States, with YouTube alone reaching 176.7 million users — three-quarters of the smartphone-using population. As social media's share of mobile attention falls to its steepest decline since 2023, and Google's AI tools close in on ChatGPT's user base, the story is less about competition than about what it means when a single entity becomes the default infrastructure of human atte