Dive summary:

• Obama’s campaign saw a 3% to 19.5% click-through rate on mobile videos during October and early November.
• Mobile ads were aimed at young females and Hispanic voters in Ohio, Michigan, Nevada, Iowa, Florida and Colorado.
• The Obama campaign did not try to obtain donations through the ads because of the difficult of making credit card payments via mobile, but instead, it just tried to get people to vote.

From the article:

… "We knew we had to be in mobile," said Shannon Lee, the campaign's digital lead who previously worked at interactive shop Digitas. "The work we did there was exciting because we felt it was directly impacting the election." …