Top Reviewers are Yahoo! Shopping users who have written enough reviews at high enough quality to qualify for Top Reviewer status.
Top Reviewers are selected based on the quantity and quality of the reviews they have written. Top Reviewer selection is impacted by the following criteria:
Quality - Submitting reviews that are voted helpful by the community.
Quantity - Submitting several reviews.
Number of first reviews written - Submitting one of the first few reviews for a product.
A badge next to a reviewer's name indicates that they are one of the Top Reviewers. There are three different badges for Top Reviewers.
Top 1000 - The reviewer is one of the top 1000 reviewers at Yahoo! Shopping
Top 500 - The reviewer is one of the top 500 reviewers at Yahoo! Shopping
Top 100 - The reviewer is one of the Top 100 reviewers at Yahoo! Shopping