Except your standard 10 digit phone number scheme only allows 10 billion numbers... which isn't exactly a big enough space to allow you to generate new phone nu

Except your standard 10 digit phone number scheme only allows 10 billion numbers... which isn't exactly a big enough space to allow you to generate new phone numbers whenever you want. The idea is kind of cool though... like generating one-time-use credit card numbers for dodgy e-commerce sites.