Amazon.com
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monthly fees for data stored and transferred. In 2006, Amazon introduced Amazon Simple Queue Service (Amazon SQS), a distributed queue messaging service, and product wikis (later folded into Amapedia) and discussion forums for certain products using guidelines that follow standard message board conventions. Also in 2006, Amazon introduced Amazon Elastic Compute Cloud (Amazon EC2), a virtual site farm, allowing users to use the Amazon infrastructure to run applications ranging from running simulations to web hosting. In 2008, Amazon improved the service adding Elastic Block Store (EBS), offering persistent storage for Amazon EC2 instances and Elastic IP addresses, static IP addresses designed for dynamic cloud computing. In 2007 Amazon launched Amapedia, a wiki for user-generated content to replace ProductWiki, the video on demand service Amazon Unbox, and Amazon MP3, which sells downloadable MP3's. Amazon's terms of use agreements restrict use of the MP3's, but Amazon does not use DRM to enforce those terms. Amazon MP3 sells
music from the Big 4 record labels EMI, Universal, Warner Bros. Records, and Sony BMG, as well as independents. Previous to the launch of this service, Amazon made an investment in Amie Street, a music store with a variable pricing model based on demand. Also in 2007 Amazon launched Amazon Vine, which allows reviewers free access to pre-release products from vendors in return for posting a review, as well as payment service specifically targeted at developers, Amazon FPS. In November 2007, Amazon launched Amazon Kindle, an e-book reader which downloads content over "Whispernet", via the Sprint Nextel EV-DO wireless network. The screen uses E Ink technology to reduce battery consumption. In 2008 Amazon stated that its Kindle-based library included 200,000 titles. In December 2007, Amazon introduced SimpleDB, a database system, allowing users of its other infrastructure to utilize a high reliability high performance database system. In August 2007, Amazon launched an invitation-only beta-test for online grocery delivery. It has since rolled out in several Seattle, Washington suburbs. In January 2008 Amazon began rolling out their MP3 service to subsidiary websites worldwide. In December, 2008, Amazon MP3 was made available in the UK. In September, IMDB and Amazon.com launched a Music metadata browsing site with wiki-like user contribution. In November, Amazon partnered with Fisher-Price, Mattel, Microsoft and Transcend to offer products with minimal packaging to reduce environmental impact and frustration with opening "clamshell" type packaging. Amazon Web Services launched a public beta of Amazon Elastic Compute Cloud running