An online flash community, currently working on it's version 8. It currently only has forums.
Person 1: How long have you been posting on FlashIndustries?
Person 2: Longer than you...
An internet slang word meaning "total shithole." FI is also short for FlashIndustries.
Person1: Hey, look at that run-down house.
Person2: Yeah, it looks like FlashIndustries.