While a device’s mobile ad ID is technically an anonymous piece of information, it is easy to cross reference other data points to determine the owner, EFF’s Beryl Lipton warned the nostr:npub1hgr7umlexec6xmg89w2u75ajlqt5dhmql8jdue09pgj5zzdzh2zqw92e7r. https://www.texasobserver.org/texas-dps-surveillance-tangle-cobwebs/