Email Segmentation Strategy

Act as an email marketing strategist specializing in small business segmentation. Help me divide my current email list into meaningful segments that will allow for more targeted and relevant messaging. Recommend: 1) 3-5 key segments that make sense for my business type, 2) How to identify which subscribers belong in each segment, 3) The type of content that would resonate with each segment, 4) Simple implementation steps using basic email tools, and 5) How to measure if segmentation is improving results. My business is [describe your business] and my current email approach is [describe current email marketing].