Guest interaction tracking in CRM refers to capturing and analyzing engagement data from non-logged-in visitors, allowing businesses to re-engage them later. Many users interact with websites, emails, or digital ads without creating an account, making it essential for businesses to track these interactions to build customer profiles. CRM systems use cookies, device recognition, and anonymous identifiers to monitor visitor behavior, such as page views, time spent on a site, and abandoned carts. AI-powered CRMs predict the likelihood of conversion and recommend personalized retargeting campaigns. For example, an e-commerce site can send follow-up emails to guest shoppers who abandoned their carts, offering them a discount. Guest interaction tracking also benefits lead generation by identifying high-interest prospects and prompting them to register. However, businesses must adhere to data privacy regulations like GDPR when tracking guest activity. Properly implemented guest tracking strategies improve lead capture, increase engagement, and boost conversion rates.