"We engage advertising partners, including third party advertising companies and social media companies, to display ads on the Services. We use technologies provided by such parties, such as SDKs, to collect information about you over time across the Services, and we and our partners use that information to serve online ads that may be interesting or useful to you."
Locket embeds third-party advertising SDKs that collect data directly from users' devices over time, sharing profile information, activity data, IP addresses, advertising IDs, and device type with advertising companies.