The Republican Governor of Alaska Sarah Palin and Democratic Senator Joe Biden faced each other in St Louis, Missouri, in their only debate ahead of the vote in November.
Meanwhile, BBC News website readers and Qik users sent their views on the debate as it happened.
This is a summary of some of the videos we received on the Qik BBC Have Your Say website.
BEFORE THE DEBATE
Our video viewers share their expectations before the candidates start their televised debate.
One of them wonders if they will be too polite with each other.
Others wonder about Sarah Palin's performance.
DURING THE DEBATE
In the middle of the debate, viewers talk about the TV personalities of each candidate.
They also discuss their preparation and Mrs Palin saying that she will answer questions the way she wants.
AFTER THE DEBATE
After the end of the debate, it is time for conclusions.
Were they convinced by each candidate's performance?
How did they come across? What image did they give?
One-Minute World News
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