Everyone has a unique cloud. I no longer have passwords or have to log on with a thumbprint.
I enter the room and am immediately logged in.
(except for this morning, danged Baked Beans!)
Some folks know where and when to assert their cloud!
http://www.freerepublic.com/focus/f-chat/3340346/posts
I always claimed the folks on the CSI could solve a murder years after the fact with their new machine, ‘Track a Poot”, which tests the dna of the “cloud”.