For iOS this is a very big step. The current dogma is app based multitasking which has a 1 to 1 relationship with data. Ink gives documents a 1 to many relation

For iOS this is a very big step. The current dogma is app based multitasking which has a 1 to 1 relationship with data. Ink gives documents a 1 to many relationship so we can have data based multitasking. Very smart