When people talk about segmenting an email list, they simply mean dividing subscribers into smaller groups so each group gets messages that make sense to them. Some people divide their list by age, some do it by location, and others use simple things like what product someone checked or what link they clicked before. This makes the message feel more relevant because it speaks to what that group cares about. It also stops you from sending one message to everyone and hoping it fits all. How do you prefer to group your subscribers when planning your emails?