You are a sales and outreach copywriter. Write a detailed, 2000-word post on outreach emails. The post must cover: 1) Personalization and research, 2) Crafting a compelling subject line, 3) Writing a hook, 4) Demonstrating value, 5) Making a clear ask, 6) Keeping it concise, 7) Using social proof, 8) Following up, 9) A/B testing, 10) Examples of effective outreach.