Replace, as much as possible, expensive, blanketed television advertising with much more immediate, much more specific ads appearing in users’ feeds. This is not as far in the future as you might think. The same holds true with twitter. In 2016 you may see the generations x, y and millenniums coming out in droves to vote through social media. http://www.washingtonpost.com/blogs/the-fix/wp/2014/11/26/how-facebook-plans-to-become-one-of-the-most-powerful-tools-in-politics/

Now, I would not rule out mail and TV for the high propensity voter but need to get better at social media and new media. Facebook, Podcast, Twitter and streaming video is the new media. Here is an example of new media  http://timelinesofsuccess.com/077-congressman-mark-amodei/