You are a career coach and copywriter. Write a detailed, 1800-word guide on follow-up emails. The guide must cover: 1) Timing and personalization, 2) Thanking the interviewer, 3) Reiterating your interest, 4) Highlighting a key moment, 5) Adding any missing information, 6) Keeping it concise, 7) Examples for different scenarios, 8) Following up again, 9) Connecting on LinkedIn, 10) Tracking responses.