Here is an LRAD. It’s a Long Range Acoustic Device better known as a sound cannon and it’s used to disperse unruly crowds.

Here is an Occupy Chicago freakout over the LRAD (led by the same livestreamer who freaked out last night over a brief police stop):

https://twitter.com/#!/tzeero4/status/204431374785052673

https://twitter.com/#!/Loldirtybastard/status/204429665379688448

And here are other Twitter users chuckling at the Occupy freaks freaking out:

https://twitter.com/#!/Revenant0101/status/204432241034661888

Pssst. Hey, Occupiers: Nelly Furtado’s Billboard Music Awards performance was far more terrifying and damaging to the eardrums. That’s torture.

The snark continues: