The document discusses 12 business lessons learned from the Obama presidential campaign's effective use of digital and social media. It summarizes key tactics the campaign used, such as maintaining a centralized customer database, using social networks to leverage large audiences, engaging supporters through YouTube videos, targeting small online donations, self-managed social networks, mobile applications, Twitter, blogging, and capturing consumer information. The outcomes included hundreds of thousands of organized events and donors, millions of calls and donations made, and over $500 million raised online and $639 million total.