This document discusses the importance of lead nurturing for B2B sales. It provides insights from a case study where a company was able to generate 37% of new customers from leads over 3 months old and 20% from leads over 1 year old through effective lead nurturing. It outlines best practices like becoming an industry expert to nurture leads, tracking marketing activities, using call scripts and emails, not wasting leads, and tracking results. It also discusses nurturing leads through different stages of the sales cycle with a combination of communications like email, telemarketing, direct mail and webcasts.