Washington - The failure of Rupert Murdoch's pioneering iPad newspaper The Daily underscores the problems of the news industry as it seeks a paid model for the digital age, analysts said.Murdoch announced on Monday that The Daily, launched as a paid subscription for the Apple tablet, would be shuttered on 15 December due to a lack of readers.The Newscorp chief called The Daily - exclusively designed for touchscreen tablets - "a bold experiment", but acknowledged that it was unable to find enough paying readers to sustain it.Some staff from the virtual newspaper will shift to the another Newscorp property, New York Post.Murdoch launched The Daily with much fanfare in February 2011, describing it as a model for the news industry in the face of declining readership and a shift to online news.The Daily was sold through Apple's App Store and iTunes and cost 99c a week or $39.99 a year.Rebecca Lieb, analyst with the Altimeter Group, said the shutdown was not surprising."While it was highly customised for the platform The Daily was a commodity news product," Lieb said. "It didn't offer anything that readers could not get from any other newspaper, and it lacked a brand."Had I been Murdoch I would have launched a version of something that was already branded," such as The Wall Street Journal.iPad a mistakeThe Daily was believed to have around 100 000 paying subscribers, although precise figures were not disclosed. In launching the paper, Murdoch said it would need to recruit around 500 000 readers a week to break even.In July, Murdoch announced it would cut 29%t of its staff, or 50 employees.The paper was initially designed to work on Apple's iPad tablet, and only later made available for some Android devices and smartphones.Analysts said that relying on the Apple platform turned out to be a mistake."This was a segment of a segment of a market," said Lieb.Jeff Sonderman, a digital media specialist at the Poynter Institute, said this is one of the lessons to learn from The Daily's demise."Being the first-of-a-kind is as dangerous as it is exciting in the technology world. With few or no prior examples to learn from, you're left to try stuff and learn the hard way," he said in a blog post."Research has since shown that tablet owners are 'digital omnivores' who consume media seamlessly across tablets, smartphones, PCs and print publications. To serve them news on only one platform is not satisfying."Dan Kennedy, a Northeastern University journalism professor, said the reasons for the failure are now obvious.Half right"It seems to me that in some respects The Daily was dead on arrival," Kennedy aid."It had the disadvantages of a daily newspaper - it was published once a day rather than continuously, and it was not well integrated with the broader Web - without the advantage of the convenience that print still offers... A noble experiment, perhaps, but one for which few people held out much hope even when it launched."Ken Doctor, media analyst with the research firm Outsell, said The Daily "got it half right"."They saw before others that the tablet would be a revolutionary device for reading newspapers and magazines," Doctor said."But they didn't focus on the product, which was underwhelming. It was visually stunning but didn't give you a reason to fulfil its promise."Lieb cites other possible models for digital journalism which may be more successful, such as Flipboard, which delivers customized news on a variety of platforms.She said paid digital subscriptions may only work for a small number of news outlets."If you have a very strong brand name recognition and exclusive content that is available nowhere else, you can charge a subscription fee," she said."If you publish news you can get anywhere you really can't charge for that, no matter how well it's packaged."