The iTunes Store was opened by Apple in 2003 to sell digital music and other digital assets. Since 2009 music purchased in the iTunes store is free of Digital Rights Management (DRM). Apple became the largest music vendor worldwide in 2010, and by 2013 had sold 25 billion songs.
Scholarly articles are distributed almost exclusively in digital form. While there is an increasing number of journal articles freely available via green or gold open access, the majority of them still can only be read if the reader works at an institution with a subscription to the journal. Many journals also allow the reader to buy a single article of interest, for prices between $10 and more than $30:
There is also a document delivery service provided by libraries, but that option varies considerably by country and in Germany for example means a scanned article as printout rather than the original PDF because of a change in German copyright law a few years ago. There are also the services DeepDyve and ReadCube, but again you don’t get the PDF (or only for prices similar to those quoted above), but rather limited access for reading and printing.
In summary, affordable access to scholarly content by subscription publishers is in a dire state: you either have to work at an academic institution subscribing to the desired journal, get only a crippled version of the article (online viewing only), or pay up to $30 for a single article, which clearly doesn’t scale beyond very occasional use.
With this background it is obvious that several people have discussed the iTunes Store-like model to sell scholarly articles:
The best already existing platforms to build such as service are reference managers, as most of them have learned now to manage PDF files, and have an online component. ReadCube is offering a pay-per-view option already, Papers, Mendeley, Endnote or others could get into this business.
One of the big advantages of payments for single articles is transparency, as institutions and users only pay for what they actually use. Price transparency is one of the big problems with the big deal contracts that academic institutions have with publishers - read this article for more info.
But rather than becoming the predominant way to pay for digital music, services such as DeepDyve and ReadCube are only playing a marginal role. Why is that so?
Unless several large publishers and/or a smart third-party with enough muscle start an initiative in this space, e.g. by bringing the pay-per-view prices to a reasonable level (e.g. $4.99), we will never see an iTunes Store-like service for scholarly articles, and this currently looks like the most likely outcome. We may have reached the point where it is too late, as most publishers seem to already work towards another payment model: gold open access where the authors pay the article costs.
Update 3/2/15: added link to 2009 CrossTech blog post.
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