Question: Do you know of a platform that can help me identify and convert unknown customers into known contacts for better retargeting?

For finding and converting unknown customers into known contacts for more effective retargeting, Customers.ai is a good option. It includes features like Website Visitor ID X-Ray Pixel, B2B & B2C Data Enrichment, Advanced Audience Segmentation, and Abandoned Cart Recovery. The tool can help you build your email lists, target audiences with personalized content, and convert leads into revenue. It integrates with tools like Meta, Klaviyo and Salesforce, and offers a 7-day free trial.

Another option is Apollo, a sales intelligence and engagement tool that uses a single database of 275 million contacts. It includes contact and account search, lead scoring, sales engagement automation and CRM enrichment. Apollo is designed to simplify sales operations and provide high-quality pipeline opportunities, so it's a good option for sales teams trying to cut through the noise and focus on converting leads.

If you're looking for a more general-purpose approach to acquiring and engaging customers, check out Wunderkind. This performance marketing tool uses AI and identity data to find and engage customers via email, text messages and ad channels. With its Identity Network, Wunderkind can help you capture first-party data at scale and send personalized messages, leading to dramatic improvements in list growth and revenue. It's particularly good for eCommerce brands that want to build better connections with customers and drive revenue.

If you're prospecting for B2B sales, LeadIQ could be a good tool. It offers contact data, tracks buying signals, and personalizes cold outreach with AI-generated emails. The tool is for sales teams of any size and integrates with sales and CRM tools, letting you capture and synchronize contacts, set up triggers for timely outreach and enrich CRM data. LeadIQ is cheaper than traditional sales intelligence tools.