There is currently a lot of speculation around a company in Ireland called Steorn that says it has created a way of making free energy with the use of magnets, is really an Alternative Reality Game for Halo3, LOST or something else.
The Halo guys are going made because because Steorn's Registration Page has a picture of a honeycomb at the top and Team XBox posted about it.
I do not believe this is an ARG not because they have registered a Registered Job Page, not because they Registered The Company in 2000, not because this was News Back In May, not because they have a US Patent or EU Patent with a Diagram, but instead because they have a Forum.
Never before have I seen an ARG with a forum and for that reason I do not believe that this is an ARG.