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"Your Global Positioning System (GPS) information, after you permit us to do so but you may change the access to your GPS information via the settings on your mobile device."

The app collects precise GPS location data. While framed as optional, the consent is bundled into general app permissions rather than tied to a specific feature requiring location.

"Device identifiers, such as your operating system, browser type, brand, model and serial number of your mobile device, Internet Protocol (IP) address; Mobile advertising identifiers, which are used by mobile operating systems and made available to advertising providers to gather metrics on mobile apps (Apple's IDFA or Google's AAID or similar) to help us and advertisers provide ads that may be more relevant to your interests."

The app collects extensive device information including serial numbers and mobile advertising IDs, going beyond what's needed for core functionality and feeding into advertising targeting.

"Mobile advertising identifiers, which are used by mobile operating systems and made available to advertising providers to gather metrics on mobile apps (Apple's IDFA or Google's AAID or similar) to help us and advertisers provide ads that may be more relevant to your interests; Cookies, small pieces of data... collected by us or our business partners to measure and understand the web pages you click on and how you use Services, enhance your experience using Services, and provide you with targeted advertising on Services and elsewhere across your different devices."

The policy explicitly describes using advertising identifiers and cookies to track users and serve targeted ads "across your different devices," enabling cross-device tracking profiles.

"We may share your information with certain authorized third parties to assist in the improvement and optimization of Services... including but not limited to: to third-party advertising partners... to cloud storage providers... to analytics and search engine providers... to any member, subsidiary, parent, or affiliate of our corporate group."

Data is shared broadly with advertising partners, analytics providers, cloud providers, and corporate affiliates, with an open-ended "including but not limited to" framing that leaves the door open for additional sharing.

"We may amend any of the terms of the privacy policy by posting the terms. We will also update the "Last Updated" date at the top of this policy, which reflects the effective date of such policy. Your continued access to or use of Services after the date of the updated policy constitutes your acceptance of the updated policy."

The company can change the privacy policy at any time without direct notice to users, and continued use is treated as automatic acceptance of the new terms.

"We retain your information for as long as it is necessary to provide you with Services so that we can fulfil our contractual obligations and rights in relation to the information involved, or for other legitimate purposes such as complying with our legal obligations, resolving disputes, and enforcing our agreements. Where we do not need your information in order to provide Services to you, we retain it only for so long as we have a reasonable business purpose in keeping such data."

No concrete retention periods are specified. The open-ended "reasonable business purpose" language allows indefinite retention of user data even after it's no longer needed for the service.