For those that remember Legendary Truth (from 2008), it's back! Legendary Truth was an online 'game' that involved extensive fan interactions online and throughout the park. Uncovering the investigations and solving the clues helped reveal integral parts of the event's story that the general public were never aware of.
If you go to the HHN site and click on the lantern, you will arrive at the 'polaroid page'. Upon waiting for a few minutes, the screen will turn green and Legendary Truth hijacks the page warning you about HHN's deception:
Legendary Truth monitors the world wide web. Universal's Halloween Horror Nights is not telling you the whole story. Learn the truth.
Following the link, you end up at Legendary Truth
Through further exploration, we discover that HHN A&D are evil and this lantern on the main page is more than it should be. There's also a Facebook fan page which features images of these transcripts, attached below.