Plumb5 is a customer intelligence platform that integrates customer data from various sources to provide marketers a unified view of customers. It helps marketers perform customer segmentation, implement marketing automation workflows, and deliver personalized experiences to customers in real-time. The platform features visitor analytics, personalization, email automation, sales integration, social marketing, content optimization, live chat, and retention capabilities. Plumb5 implementation involves a 7 step process of identifying data sources, connecting them to the platform, tagging customer data, automating customer lifecycles, enabling prescriptive views, delivering insights in real-time, and ensuring profitability.