if you think you can hide in a crowd, forget it.
THIS IS HOW THE POLICE CAN NOW IDENTIFY RIOTERS & TROUBLE MAKERS USING HIGH DEFINITION ADVANCED TECHNOLOGY.
Using the same technology as Google Earth to track you, be warned it will be most difficult to lose yourself in any crowd.
This is the crowd before the riots in Vancouver:
http://www.gigapixel.com/
Place your cursor anywhere in the crowd and double-click a couple of times and zoom in.
To further help with image, use the scroll button in the centre of your mouse.
Zero in on any one specific single face.. The clarity is incredible..
You can see perfectly the faces of every single individual - and there were thousands.
Just think what the police and the military have at their disposal.