The document discusses how marketing is becoming more "horizontal" as opposed to "vertical". It gives examples of how Obama used more horizontal grassroots marketing techniques like social media to outperform McCain in fundraising and supporter engagement. The document then recommends that companies combine mass, database, and viral marketing to reach different customer groups. It presents the "11 Manifesto" for horizontal marketing, emphasizing networking, evangelism, authenticity, and facilitating customer communities and co-creation.