Magazine publishers may have a new way to boost flagging circulation: the iPad.
The Audit Bureau of Circulations said Tuesday that it has changed its definition of a digital magazine to accommodate the new class of tablet-style devices.
The new rules allow publishers to count paid digital subscriptions as part of a magazine's overall circulation as long as all the same editorial and advertising material is included.
That means publishers can custom design their articles and photo spreads for Apple Inc.'s iPad, which goes on sale April 3. Without the rule change, they could only count exact digital copies of a printed edition.
Of course, magazines would only get this circulation boost out of the iPad if they can persuade readers to pay for applications.
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