This document discusses strategies for evolving from single-channel selling to multichannel and omnichannel selling. It defines single, multi, and omnichannel approaches and outlines their benefits and tradeoffs. Key channels discussed include online stores, retail locations, social media, marketplaces, and others. The document provides guidance on deciding which channels are best based on customer segments and existing traffic sources. It also outlines best practices for setting up and integrating with new sales channels.