Originally Posted by El_Duque
I'm also interested to know what was the con's unique attendance because 8,000 sounds more like a turnstyle for a first year small con.
They used a turnstyle to measure it, placed at the entry to the main hall. But it would not be a classical turnstyle count because they were telling anyone who had already gone through the turnstyle once to go around. So ultimately it would have led to a unique count.
They also have a passport metric, I'm not sure about the exact math here but a certain percentage of the passport proceeds went to charity and I don't remember what that percentage was or how much actually went. But probably if you knew the number and the percentage and the price range that passports were sold for, you could calculate the approximate number of passports sold.