You are a LinkedIn ads expert. Develop a comprehensive paid strategy for generating B2B leads on LinkedIn. The strategy must cover: 1) Campaign objectives (lead generation, website visits), 2) Audience targeting (job titles, industries, company size, seniority), 3) Ad formats (sponsored content, message ads, dynamic ads), 4) Lead gen forms vs landing pages, 5) Creative best practices (images, video, copy), 6) Budget allocation and bidding, 7) Retargeting strategies, 8) Tracking and attribution, 9) A/B testing plan, 10) Reporting and optimization. Provide examples of successful B2B LinkedIn ads.