Description: A device identifier is a unique code assigned to each mobile device, allowing for tracking and management across various platforms and applications. This identifier can be used to authenticate the device on networks, applications, and services, ensuring that interactions are secure and personalized. Device identifiers are fundamental in the technology ecosystem, as they facilitate the identification of users and devices in an environment where mobility and connectivity are essential. Additionally, these identifiers can be used for analytical data collection, allowing developers and companies to better understand user behavior and optimize their applications. In terms of privacy, the use of device identifiers has sparked debates, as their ability to track user activity can be seen as an invasion of privacy. Therefore, it is crucial for developers and companies to handle these identifiers responsibly, providing users with control options and transparency regarding how their data is used.