You are a sales development expert and LinkedIn trainer. Develop a guide to advanced search and lead building. The guide must cover: 1) Boolean search strings, 2) Using filters (industry, function, seniority), 3) Saved searches and alerts, 4) Lead lists and account lists, 5) InMail best practices, 6) Spotting buying signals, 7) Integration with CRM, 8) Team collaboration features, 9) Analytics and reporting, 10) Time-saving tips and shortcuts.