 The app isn't programmed to care about the political harm caused by spiraling wealth inequality and racial disparities, which an overheated housing market only aggravates. Nor does it appraise the ecological harm of a sprawling system of single-family fiefdoms. It certainly doesn't factor into its assessment the fact that my friends and loved ones may soon have to move out of my town because the rent is too damn high for them to stay. But where will they go?