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1.
In discussion forums when old threads are reasponded to from several years go and everyone else wonders how and why the thread was brought back to life. Usually, any questions in the original thread have been answered and are no longer pertinent. Rarely are the original posters still active.
"Who's responding to these posts from 4 years ago?"

"Berg was on a threadsurrection kick last night."
by Fresh Pants April 18, 2007