The votes are being cast in the nation's first primary election as voters have been up early, battling snow in New Hampshire to make their voices heard in this year's presidential election.

And as the voters get ready to make their ballot mark, the candidates are reaching out to their supporters and more importantly, the undecided voters, before they cast their ballots.

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Front-runner candidates like Hillary Clinton, Bernie Sanders, Ted Cruz and Donald Trump are not alone as they visit polls, make calls and press the flesh, making public appearances over the past few days.

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They're also reaching out on their social media accounts to remind voters how important it is to go to the polls, while at the same time trying to get the word out where they stand on the issues.