The standard name for this design pattern is Lazy Registration. I admit Progressive Signup is probably a better label as it is more descriptive, but lazy regist

The standard name for this design pattern is Lazy Registration. I admit Progressive Signup is probably a better label as it is more descriptive, but lazy registration is what people have been calling it for some years now... http://www.google.co.uk/search?q=lazy+registration+demo http://www.google.co.uk/search?q=lazy+registration+demo