Each "judge" fills out a rating sheet on each of the presentations. The criteria aligns with the rubric.
To help keep the judges' identity anonymous, each judge will be given one of these slips of paper which assigns a number to that judge. The judge should write down his/her number on the judge's forms, write his/her name on the slip, and return the slip to the instructor. That way the instructor knows which person is assigned which judge number, but nobody else does.
Additionally, the slip asks which Web 2.0-using educator you are "representing". This is the person whose blog you read. Hopefully this will remind you of the original "task" scenario and the new "role" you have taken on, now that your days as an employee of a Web 2.0 design firm are over.
Teacher note: I have two different sections, so I use different numbers for each group, solely for my organizational purposes.