"The Company will retain Your Personal Data only for as long as is necessary for the purposes set out in this Privacy Policy. The Company will also retain Usage Data for internal analysis purposes. Usage Data is generally retained for a shorter period of time, except when this data is used to strengthen the security or to improve the functionality of Our Service, or We are legally obligated to retain this data for longer time periods."
No specific retention timelines are given, and broad exceptions (security, functionality improvement, legal obligations) allow the company to retain usage data indefinitely.