This day in theme parks, September 21st: Uni Social 2010 New Behind The Horror video features #HHN Entertainment Show Director Mike Aiello. Check News section of http://bit.ly/98Lxnv — Universal Orlando Resort (@UniversalORL) September 21, 2010 2011 We invited a few attendees from our #HHN Tweetup to tonight’s #HHN 21 preview […]