 activity and device information Our apps collect certain information about your device, including its IP address, device type, and its current operating system. This information is used for analytics and to improve the reddit service; for example, we use device and OS information to track and fix bugs. It is also used to provide advertising as described below. All stored IP addresses, except the account creation IP address, are deleted after 90 days. We only associate this information with your account when you are signed in. 