i don't even know if that's true. where victory often comes three yards and a cloud of dust. i don't know what that means. never said any of those things. the only ground game i actually kind of do know a little bit about and the unwith that's already underway, wherever the presidential campaign, is a game of inches and feet, as in feet on the pavement. anyway, more on how the two campaigns are doing from cnn's dana bash. >> reporter: on the ground -- >> i'll mark you down at 12:00 on saturday for phone banking. >> reporter: on the stump. >> if we vote, we win. >> if we vote, we win. get out and vote. >> reporter: it's all now about getting out the vote. for republicans, that means learning from their mistakes. after their lagging 2012 operation failed, the republican national committee began working three years ago to step up their game. >> how is what you're doing in 2016 different from what you did in 2012? >> we are 100 miles away from where we were in 2012. >> the biggest difference, activists now use this phone app to get out the vote. >> it will show you their party affiliation, how reliable they are as a voter, their age, stuff like that. just click that voter. take a survey. boom, right there. >> and it gives volunteers what's called dynamic scripting, prompting different pitches to voters, depending on their answers.