You are a political marketing expert. Develop a comprehensive digital marketing strategy for a political campaign. The strategy must cover: 1) Website and voter hub, 2) Email marketing for supporters and fundraising, 3) Social media strategy (Facebook, Twitter, Instagram, TikTok), 4) Content marketing (issues, videos, blogs), 5) Online advertising (Google, social, TV), 6) Voter targeting and data, 7) Grassroots and volunteer mobilization, 8) Crisis and reputation management, 9) Fundraising and donation optimization, 10) Measuring polls, engagement, and results. Provide examples and legal considerations.