A segmentation playbook for operators who have one list and one send button.

Includes:

• Segment map for buyers, clickers, cold, and new subscribers
• Tagging rules you can run in common ESPs
• Four broadcast types and who should get each
• Suppression rules that protect deliverability
• Simple monthly send calendar

Complements welcome, promo, cart, and newsletter products — this is the routing layer those emails need.