L.D. agent, invitations to "special missions" either remotely or in the field, links to character profiles, stories and scenes, interactive Marvel digitalreader comic books and more.
According to the estimates of Citigroup analyst Mark Mahaney, Amazon sold 500, 000 of the first-generation devices, outpacing any other device in the budding market for digitalreader.
To that end, Marvel has increased its presence at SXSW, this year announcing products such as the weekly Infinite Comics, which are specifically designed with the digitalreader in mind, and Project Gamma, which adds audio to the digital reading experience.