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This election has been fought online more than any other previous campaign. One of the hottest tools on the trail is a social-networking application called "Twitter."

All A Twitter

This election has been fought online more than any other previous campaign. One of the hottest tools on the trail is a social-networking application called "Twitter."

It's like a microblog, where users write punchy blurbs of no more than 140 characters. Most of the major parties are twittering to get their message out. So are a few imposters.