And now we get to the ideal. The goal. Your email marketing holy grail. Dynamic segmentation is automatic, unintrusive, and fluid. It changes over time. It ebbs and flows like a good ocean current. It collects, analyzes, and applies data based on website activity (pages visited, read time, repeat visits, repeat looks at products without buying…), app activity, form data, email activity (open, click, convert), surveys (better referred to as “quizzes” and such), and sending frequency (leads select daily, weekly, monthly) among many others.