This document provides a summary of key U.S. privacy laws and guidelines relevant to location tracking applications, including the Communications Act, FCC CPNI rules, FTC guidelines, ECPA, CFAA, COPPA, and state breach notification laws. It outlines relevant definitions, requirements, and penalties under these laws. The document recommends that developers adopt a privacy policy, user opt-in and consent features, data security practices, and downstream provider agreements to help ensure legal compliance.