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Sonos is soon to launch an iPad application for its wireless home entertainment system.

The app – to be released in late August – will be available alongside the company’s iPhone app for free.

Dedicated sat nav manufacturers are increasingly under threat from free and low-cost mobile navigation apps, with developers of new app skobbler announcing this week that it has been downloaded 72,000 times since launch in the UK last month.

A new in-depth, qualitative study has compared the average reading speeds from reading long-form texts on four different reading devices – the traditional printed book, the PC, the Apple iPad and the Amazon Kindle.

Jakob Nielsen’s reading usability study looked to answer one simple question: are the latest e-books and tablet PCs as good as printed books?

Apple updates its best iPod every year, and if the iPod touch 2010 release date isn’t in early September we’ll eat our iPhones.

But what will it be like? In previous years you’ve been able to look at the iPhone for clues, and we think it’ll be the same this year – but that’s not all.

Amazon has launched a new version of its Kindle DX e-reader in the US.

The new Amazon DX is $110 cheaper than its predecessor, retailing for $379 (£254) down from the previous price of $489 (£328).