Amazon has announced that an upcoming software update will allow Kindle users to share their favourite book passages on Facebook and Twitter.
The Version 2.5 enhancement for Kindle and Kindle DX is currently being rolled out to a limited group of users, and a wider release is planned for late May.
Other new features include larger and sharper fonts, password protection, an ability to organise books and documents into separate collections, and a highlights feature that will allow a reader to see what the Kindle community thinks are the most interesting sections of a book.
The social networking updates may well be a sign that Amazon is looking to widen the appeal and use of Kindle following strong competition from Sony, Barnes & Noble and potentially Apple with the iPad.
Several major book and magazine publishers are said to be onboard with the iPad, threatening further competition to the Kindle, which only released its DX and Global Wireless versions in the UK in January.
Amazon announced earlier this month that global sales rose 46 per cent in the first quarter of this year, although the firm continues to withhold sales figures for the Kindle device, saying only that they "remain very strong".
The Kindle 2.5 update will be delivered to devices wirelessly, and users will not need to take any action to receive the enhancements.
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