Here's an article that I thought you might find interesting (link below). Its about a new approach to entertainment and how companies create value in each customer visit. They've taken the capabilities of social media and brought them to a specific site and event to create time and site specific interactions with their customers. Fascinating when you think of the ramifications for local events and event spaces.

Here's the link:
http://www.nytimes.com/2010/07/29/sports/football/29stadium.html

To Pack a Stadium, Provide Video Better Than TV
Published: July 28, 2010
The New Meadowlands Stadium will give fans free smart-phone applications and enhanced video.