You know the drill...
Clubs with women dancing in cages
Gaming computers with flourescent paint, electroluminescent wire, and water cooling systems,
Orkut, Friendster, and other "networking" communities
Japanese tentacle porn
Bars and pubs with decorative themes, such as "pirate ship" or "Hawaiian island"
Emulators for old arcade games and vintage computers
Trendy little coffee shops in out-of-the-way neighborhoods
Text messaging from cell phones
AOL Instant Messaging from cell phones
Hybrid gas-electric SUVs
Online personals services