Wikipedia:Tip of the day/January 29, 2009

'''Intruder alert! Intruder alert!'''

Wikipedia has a vandalism warning system, affectionately referred to by some as WikiDefcon. To stay aware of the current level of vandalism occurring on Wikipedia, include this useful template on your user page or talk page. Whenever an alert is signaled, you'll know your help is needed!

Read more: Vandalism

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