When the media says that around 167,000 people attend Comic Con, they really mean it.
Many people dressed as anime characters as well as Disney characters were walking outside to commemorate the aperture of Comic Con on Wednesday. A lot of people come to Comic Con to see the upcoming shows, meet directors, take pictures with Cosplay people, and see if they get meet any actors/actresses.
All hotel windows promoted TV Shows or movies that would come up this fall. You could see thousands of people lining up outside by the streets to watch the panels.