I've enriched my prospect lists using Clay, a data automation platform that provides over 75 enrichment tools and an AI agent. I also use GPT for Sheets and Docs, a simple Google Sheets add-on that uses the power of GPT to enrich prospect data quickly and cheaply. Additionally, I leverage Ahrefs Batch Analysis to gain insights into website traffic analytics, domain rating, and other metrics that can help build more relevant angles for my outreach. These tools have allowed me to uncover valuable data points such as a prospect's target ICP, software installed on the company website, problems they're likely facing, specific location of their office, monthly traffic of the company website, competitors, and behavioral insights. By prioritizing accuracy and relevance in lead enrichment, I can create personalized cold emails that stand out from the competition and increase my chances of building relationships with potential customers.