Del.icio.us

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Del.icio.us
URL http://del.icio.us/
Type of site Online social bookmarking
Registration Optional
Owner Yahoo! Inc.
Created by Joshua Schachter

Del.icio.us (pronounced "delicious") is a social bookmarking web service for storing, sharing, and discovering web bookmarks. The site was founded by Joshua Schachter in late 2003 and acquired by Yahoo! in 2005. It has more than three million users and 100 million bookmarked URLs.[1]

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[edit] Site description

Del.icio.us uses a non-hierarchical keyword categorization system in which users can tag each of their bookmarks with a number of freely chosen keywords (cf. folksonomy). A combined view of everyone's bookmarks with a given tag is available; for instance, the URL "http://del.icio.us/tag/wiki" displays all of the most recent links tagged "wiki". Its collective nature makes it possible to view bookmarks added by similar-minded users.

Del.icio.us has a "hotlist" on its home page and "popular" and "recent" pages, which help to make the website a conveyor of internet memes and trends.

Many features have contributed to making Del.icio.us one of the most popular social bookmarking services.[2] These include the website's simple interface, human-readable URL scheme, a novel domain name, a simple REST API, and RSS feeds for web syndication.

Use of Del.icio.us is free. The source code of the site is not available, but a user's own data is freely downloadable through the site's API in an XML or JSON format, and can also be exported to a standard Netscape bookmarks format.

All bookmarks posted to Del.icio.us are publicly viewable by default, although users can mark specific bookmarks as private, and imported bookmarks are private by default. The public aspect is emphasized; the site is not focused on storing private ("not shared") bookmark collections.[citation needed] Del.icio.us linkrolls, tagrolls, network badges, RSS feeds, and the site's daily blog posting feature can be used to display bookmarks on weblogs.

[edit] History

The precursor to Del.icio.us was Muxway, a link blog that had grown out of a text file that Schachter maintained to keep track of links related to Memepool.[3] In September 2003, Schachter released the first version of Del.icio.us. In March 2005, he left his day job to work on Del.icio.us full-time, and in April 2005 it received approximately $2 million in funding from investors including Union Square Ventures and Amazon.com.[4] Yahoo! acquired Del.icio.us on December 9, 2005.[5] Various guesses suggest it was sold for somewhere between US$15 million and US$30 million.[6][7]

There are several competing social bookmarking services as well as a few open source clones.

[edit] Name

The "del.icio.us" domain name is an example of a domain hack, an unconventional combination of letters to form a word or phrase. Del.icio.us, though not the first domain of this nature, is the best-known and most frequently-accessed domain hack. Delicious.com and delicio.us also redirect to the del.icio.us website.

In an interview, Schacter explained how he chose the name: "I'd registered the domain when .us opened the registry, and a quick test showed me the six letter suffixes that let me generate the most words. In early discussions, a friend referred to finding good links as 'eating cherries' and the metaphor stuck, I guess."[8]

On September 6, 2007, Schachter said the website's name would change to "Delicious" when the site was redesigned[9] at an unspecified date.[10]

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