This sounds cool, and it's interesting that it's not attached to a brand, but comes from performance art roots. The article doesn't mention if there is a fee or how the thing is funded.
Breakdown of various ARGs and such, discussion of blurring reality and fiction. Net point: people want stories that allow them to play along, but that is not the same thing as convincing them that the story is true. Ideally, they at least suspect it is not.
"Instead of demanding that people believe their lie, they dreamt up a world people were desperate to be a part of." (of Cloverfield marketing)
An homage to the 1993 blockbuster hit, Jurassic Park, the experience involves a group of urban hipsters who, while trying to find the ultimate loft party, find that their Brooklyn neighborhood has been overtaken by dinosaurs.