Cafescribe is planning to offer e-books with sniff stickers that smell like old books.

A survey of 600 college students found that 43% identified smell as a quality they most liked about a physical text book.
Reason enough for CafeScribe to send out scratch and sniff stickers with a musty old book smell to customers beginning in September.
You can place the sticker on your computer screen and enjoy the book smell while reading the e-book - or at least that is the scenario CafeScribe is imagining.
Via Reuters. See also the CafeScribe site.