Just had it done two days ago. I will report back in a week
What is Expertise?
Expertise points are tabulated based on community ratings. An upvote on a question or answer earns 10 expertise points for the contributor. A downvote results in a loss of 2 points. Community rights can be earned as expertise points are accrued.
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Contributions are based on updates made to articles, questions asked and answered, and comments.