Have you spotted what some toys now include?  They have a tag that has a Web address and a secret code.  Once at the Web site you can register your toy by entering the code, you then gain access into previously secret content. 

If the toy is a doll then that secret content might be a virtual world, in which your actual doll exists.  This delivers a very captivating experience whether you’re a child or an adult.

A number of years ago Microsoft did something similar with Barney.  Having bought a physical toy Barney he could interact with a video playing on the TV or a computer game.  I'm not sure why this is no longer for sale.  Probably down to demand.  This surprises me.

I'm sure there are plenty of other products and scenarios that this makes sense for...