You are an ABM content strategist. Create a comprehensive content strategy for a B2B technology company targeting 50 key enterprise accounts. The strategy must include: 1) Identifying target accounts and building account intelligence, 2) Creating personalized content for each account tier, 3) Content types for ABM: personalized case studies, solution briefs, executive summaries, video messages, 4) Multi-channel distribution: personalized emails, LinkedIn outreach, direct mail, targeted ads, 5) Sales and marketing alignment for content creation and distribution, 6) Content for different buying committee roles: economic buyer, technical evaluator, end-user, 7) Measuring ABM content effectiveness: account engagement, pipeline influence, revenue, 8) Technology stack for ABM content personalization and distribution, 9) Scaling personalized content creation with templates and modular content, 10) Examples of successful ABM content campaigns. Provide templates for personalized content assets.