Sync Online Media multi-channel marketing is the practice of using multiple channels to reach customers. Also known as cross-channel marketing, multi-channel marketing makes it easy for customers to complete the desired conversion on whatever medium they are most comfortable with. Multi-channel marketing lets the user decide, giving them a choice on several differnet platforms. Sync will create a large number of touch points on several differnt channels. Touch points can include social media, surveys, email newsletters, mail-in items, etc.