This document provides an overview of ecommerce and digital marketing strategies. It discusses how most consumers now research products online before purchasing. Interactive experiences like product videos can significantly increase conversion rates. Affiliate marketing networks allow merchants to expand sales by paying affiliates based on performance. Google Analytics and other analytics tools help track traffic sources, visitor behavior, and goal conversions to optimize the customer journey from visit to purchase. Testing techniques like A/B and multivariate testing help improve page design and the path to conversion.