It was an unprecedented offer in the world of digital comics.

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Founded in 2007, comiXology has revolutionized the comic book and graphic novel industry by delivering a cloud-based digital comics platform that makes discovering, buying, and reading comics more fun than ever before.

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The release of quality comic book video games is also helping the industry, sending a new generation of fans looking for digital or paper comics to read more about these characters.

FORBES: Connect

Marvel made comic book history in 2011 by announcing all titles in the Ultimate Comics line would include codes for free digital copies on the Marvel Comics app, with unrivaled incentives for comic shop retailers.

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" Popeye , " Robert Altman's endearingly eccentric venture into the realm of 1930s comics, has finally entered the digital domain.

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If day-and-date digital is a way to get more people involved in comics and see what we're doing, I think that's great.

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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 digital reader in mind, and Project Gamma, which adds audio to the digital reading experience.

CNN: Free digital comics offer 'paused' after servers crash