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Furl (from File Uniform Resource Locators) was a free social bookmarking website that allowed members to store searchable copies of webpages and share them with others. Every member received 5 gigabytes of storage space. The site was founded by Mike Giles in 2003 and purchased by LookSmart in 2004. Diigo (a web annotation, social bookmarking & research tool website) bought it from LookSmart in exchange for equity.〔http://www.techcrunch.com/2009/03/09/diigo-buys-web-page-clipping-service-furl-away-from-looksmart/〕〔http://www.readwriteweb.com/archives/diigo_acquires_furl.php〕 ==Features== Furl enabled members to bookmark, annotate, and share web pages. ''Topics'' were used to categorize saved sites, similar to the tagging feature of other social websites. Additionally, a user could write comments, save clippings, assign each bookmark a rating and keywords (which are given greater weight while searching), and have an option of private or public storage for each topic or item archived. Considered one of its main features, Furl also privately archived a complete copy of the HTML of each page that a user bookmarks, making it accessible even if the original content was modified or removed, an antidote for link rot. This also allowed full text searches to be made within the archive. However, as highlighted under limitations below, images that were embedded using links were not archived with user's copy of the html page, so images sometimes disappeared over time. To avoid claims of copyright violations, this archived copy was visible only to the member who bookmarked the page. Other users were directed to the publisher's site, where the content could be viewed depending on membership requirements and privacy settings. Users could see lists of other users who have ''furled'' a URL, and read their comments (if made public) to find users who share interests, supporting folksonomy. A dynamic recommendation list was automatically generated for each user based on the sites already saved by him or her and other users with similar interests. Lists of the most popular items for today, this week, and this month (and by topic) were also available. It was possible to subscribe to a user's archive (or to a set of topics in a user's archive) to get daily email notifications whenever new items were filed. Furl allowed bookmarks to be imported from (and exported to) Internet Explorer, Mozilla/Firefox, and Delicious; and also supported exporting of the entire saved archives to ZIP formats, and export metadata to XML format. There were other import/export functions, including various citation formats (MLA, APA, Chicago, CBE, BibTeX, and RIS/EndNote). Toolbars and bookmarklets are available for Internet Explorer and Firefox to quicken the bookmarking process. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Furl」の詳細全文を読む スポンサード リンク
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