This document discusses how web personalization is essential for marketing plans in 2017. It defines web personalization as personalizing a visitor's experience on a website in real-time based on their attributes like location, industry, or past behavior. The document provides examples of personalizing web content for different locations, industries, and known contacts. It recommends leveraging web personalization over A/B testing and combining rule-based and predictive personalization using artificial intelligence. It argues that web personalization should be a priority in 2017 because websites provide untapped engagement potential and the necessary technology now exists to personalize at scale.