While the 2008 election was the scene of the first widespread use of social networking tools like Facebook and Twitter, many expect this year's election to be a proving ground for wireless and mobile technologies. Smartphones could play a major role in how President Barack Obama and challenger Mitt Romney entice voters and rally supporters--indeed, already around half of all Americans carry smartphones. So who will benefit? And how will each campaign make use of mobile advertising and smartphone apps? Check out FierceMobileContent's special report on the topic here.