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1.
Like due diligence, using Google. Due Google diligence should always be done before asking questions in a public forum. Otherwise, people may reply with "Just Google it" or links to lmgtfy.com.

"Due diligence" is a legal expression that means making the effort, in terms of research and investigation, to meet the expected (due) level of "care and caution" before entering into a legal agreement with a person or company.

When you have a problem or a question, "due Google diligence" means using Google to search for relevant keywords to find the solution before asking the question in a public forum and wasting everyone's time by asking a question that has been answered many times before.
Poster: Hi, I need help with xxxx. I've done due Google diligence and I couldn't find a solution to my problem.
by KrisBlueNZ April 08, 2013