Gmail Help Center Includes External Data Source

When you seek help from Gmail's Help Center, you would now see "user community" data in search results which includes not only threads from its dedicated Google Groups but also other external sources such as Lifehacker and About.com.

Given the fact that Gmail users increases dramatically after it opens up to the public, the Gmail Team might be receiving overwhelming amount of help tickets and turn to quality external sources which provides quick answers to simple questions.