Polls have opened in the eastern USA, with many voters already participating, including those who voted early by absentee ballot. Facebook reports a significant turnout, with around 700,000 users indicating they have voted, primarily college students. Voters are experiencing varying wait times at polling places, with some reporting long lines and others minimal wait. Concerns about potential election day violence and the efficiency of voting systems, particularly electronic machines, are discussed. Overall, there's a sense of excitement and anticipation for the election results, with many hoping for a peaceful and orderly voting process.