Six essential mobile tactics for year-end fundraising are discussed: 1) re-engage your subscriber list before asking for money, 2) personalize your messages, 3) localize and reinforce ongoing campaigns, 4) use mobile and text-friendly forms and pledging, 5) leverage special mobile features like MMS and shortened URLs, and 6) send last day reminders. Real-world examples from Planned Parenthood and Food & Water Watch showed the effectiveness of testing different message types. Key lessons included optimizing donation pages for mobile and continuing engagement throughout the year.