ComiXology offers a cross-platform reading experience. ComiXology , widely considered the iTunes store of comic books in its breadth of selection (and its prices), on Wednesday said readership is changing with the advent of digital comics. A new customer is emerging: Shes 17-26 years old, college-educated, lives in the suburbs, and is new to comics. She prefers Tumblr to Reddit. She may have never even picked up a print comic.