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Wikipedia is an online free-content encyclopedia that you can edit and contribute to. Wikipedia co-founder Jimmy Wales has described Wikipedia as "an effort to create and distribute a free encyclopedia of the highest possible quality to every single person on the planet in their own language." Wikipedia exists to bring knowledge to everyone who ...
PDF 2.0 defines 256-bit AES encryption as the standard for PDF 2.0 files. The PDF Reference also defines ways that third parties can define their own encryption systems for PDF. PDF files may be digitally signed, to provide secure authentication; complete details on implementing digital signatures in PDF are provided in ISO 32000-2.
Various collaborative online encyclopedias were attempted before the start of Wikipedia, but with limited success. [19] Wikipedia began as a complementary project for Nupedia, a free online English-language encyclopedia project whose articles were written by experts and reviewed under a formal process. [20]
Simply click the "Edit" tab at the top of a Wikipedia page or on a section-edit link. This will take you to a new page with a text box containing the editable text of the page you were viewing. In this box, you can type in the text that you want to add using wiki markup to format text and add other elements like images and tables.
Site news – Sources of news about Wikipedia and the broader Wikimedia movement. Teahouse – Ask basic questions about using or editing Wikipedia. Help desk – Ask questions about using or editing Wikipedia. Reference desk – Ask research questions about encyclopedic topics. Content portals – A unique way to navigate the encyclopedia.
The English Wikipedia is the primary [a] English-language edition of Wikipedia, an online encyclopedia. It was created by Jimmy Wales and Larry Sanger on 15 January 2001, as Wikipedia's first edition. English Wikipedia is hosted alongside other language editions by the Wikimedia Foundation, an American nonprofit organization.
On 24 November 2006, the English Wikipedia passed the 1,500,000-article mark, with Kanab ambersnail being announced on the Main Page as the milestone article. [203] On 4 April 2007, the first Wikipedia CD selection in English was published as a free download. [206] On 22 April 2007, the English Wikipedia passed the 1,750,000-article mark.
Wikipedia is a free online encyclopedia that anyone can edit, and millions already have. Wikipedia's purpose is to benefit readers by presenting information on all branches of knowledge. Hosted by the Wikimedia Foundation, Wikipedia consists of freely editable content, with articles that usually contain numerous links guiding readers to more ...