1990 - Alan Emtage, a student at Montreal's McGill University, creates Archie, the first tool for searching Internet archives.
1992 - World Wide Web is introduced, allowing Internet users to navigate among hyperlinked documents, images and multimedia.
1993 - Massachusetts Institute of Technology student Matthew Gray creates the first automated search device for the hyperlinked Web, the World Wide Web Wanderer.
1996 - American computer programmer Ward Cunningham creates wiki software, allowing users to create a Web site collaboratively.
1997 - Sergey Brin and Larry Page launch Google as a Stanford University research project. Its page rankings, based on how many other sites link to a page, quickly make it the most popular search tool.
1999 - U.S. software engineer John Swapceinski is inspired by a professor he disliked to launch the user-generated Ratemyprofessors.com Web site.
2000 - American Internet entrepreneur Jimmy Wales launches Nupedia, an online encyclopedia offering free online content written by volunteer experts.
2001 - Wales launches Wikipedia, an encyclopedia to be written by the public and intended as a feeder source for Nupedia.
2004 - Finding that a Google search for "Jew" turned up an anti-Semitic Web site as the No. 1 result, New York real estate agent Steven Weinstock launches an online petition asking that Google remove the site. Google refuses. ... 11th Circuit Court of Appeals in Georgia cites Wikipedia as a source in a ruling.
2005 - Yahoo indexes more than 20 billion items, including 1.6 billion images and more than 50 million audio and video files. ... A nonpeer-reviewed analysis in the British journal Nature concludes that Wikipedia and Encyclopaedia Britannica have comparable accuracy, but critics say the analysis was flawed. ... Los Angeles Times opens a readers' comment section on its Web site op-ed page, then quickly closes it after it is flooded with obscene comments and pornographic spam.
2006 - Wikipedia articles number more than 1 million. ... Wikipedia bans comedian Stephen Colbert from editing articles after he makes joke edits and encourages his TV audience to do so.
2007 - California Institute of Technology graduate student Virgil Griffith creates Wikiscanner, computer software that traces anonymous Wikipedia edits to the organizations where they originated, often corporations or government officials.
2008 - Visits to online U.S. news sites increase by 22 percent over 2007.
All rights reserved. This copyrighted material may not be published, broadcast or redistributed in any manner.
Get $150+ in coupons in every Sunday N&O. Click here for convenient home delivery.