There hasn't been anything quite like it over here ever before.
New voters have registered in untold numbers, and regardless of which ticket wins tomorrow's election here in the United States, it's going to be a "first" - either the first African-American elected President or the first woman elected Vice President.
And, regardless of how you're planning to vote (and, a friendly reminder here - please do exercise your right to vote ...), the way the candidates have been using social media and social networking has been unparalleled.
I could try to decipher things for you at length, but noted Forrester analyst Jeremiah Owyang has already done it for us.
Read Snapshot of Presidential Candidate Social Networking.