Folks on Quora discuss the requirements for entering the hot new field.
I know Google is amazing, but this story suggests it's more amazing than I thought.
No surprise, they got a lot right.
Including several that I at least didn't know about.
Being permanent and relatively-easily verified and obtained makes them great for criminal investigations or for certifying that you are who you say you are. But they’re not passwords because they’re not secret, they’re not revocable, and they’re very difficult to store securely.
Virtual reality will give a whole new meaning to "Surf's up!"
Amazing what a little cooperation and ingenuity can accomplish.
Length is most important.
I predict that this is the future of lots of products. The price of anything that can be digitized already is, or is headed toward, zero, so sellers will increasingly look for products and services that can't readily be digitized. Personal contact--and personalization generally--would seem to fit the bill.
The Cloud is a "hyper-growth market".