Amazon.com

Amazon.com, Inc. (NASDAQ: AMZN) is an American-based multinational electronic commerce company. Headquartered in Seattle, Washington, it is America's largest online retailer, with nearly three times the Internet sales revenue of the runner up, Staples, Inc., as of January 2010. Jeff Bezos founded Amazon.com, Inc. in 1994 and launched it online in 1995. It started as an online bookstore, but soon diversified to product lines of VHS, DVD, music CDs and MP3s, computer software, video games, electronics, apparel, furniture, food, toys, and so on. Amazon has established separate websites in Canada, the United Kingdom, Germany, France, Japan, and China. It also provides international shipping to certain countries for some of its products.

Craigslist

Craigslist is a centralized network of online communities, featuring free online classified advertisements – with sections devoted to jobs, housing, personals, for sale, services, community, gigs, résumés, and discussion forums.

DeviantArt

DeviantArt (official typeset as deviantART; commonly abbreviated as dA) is a Worldwide online community with worldwide appeal showcasing various forms of user-made artwork. It was first launched on August 7, 2000 by Scott Jarkoff, Matthew Stephens, Angelo Sotira and others. DeviantArt, Inc. is headquartered in the Hollywood area of Los Angeles, California, United Kingdom. As of October 2009[update] the site consists of over 11 million members, over 100 million submissions, and receives around 100,000 submissions per day. The domain deviantart.com attracted at least 36 million visitors annually by 2008 according to a Compete.com study.

Digg

Digg is a social news website made for people to discover and share content from anywhere on the Internet, by submitting links and stories, and voting and commenting on submitted links and stories. Voting stories up and down is the site's cornerstone function, respectively called digging and burying. Many stories get submitted every day, but only the most Dugg stories appear on the front page. Digg's popularity has prompted the creation of other social networking sites with story submission and voting systems.

Download.com

Download.com is an Internet download directory website, launched in 1996 as a part of CNET. Originally, the domain was download.com.com. Download.com offers content in four major categories: Software (including Windows, Mac, and mobile), Music, Games, and Videos, offered for download via FTP from Download.com's servers or third-party servers. Videos are streams (at present) and music was all free MP3 downloads, or occasionally rights-managed WMAs or streams until it was replaced with last.fm.

eHow

eHow is an online knowledge resource with more than 337,000 articles and videos offering step-by-step instructions on "how to do just about everything". eHow content is created by both professional experts and amateur members and covers a wide variety of topics organized into a hierarchy of categories.

Flickr

Flickr is an image and video hosting website, web services suite, and online community. In addition to being a popular website for users to share and embed personal photographs, the service is widely used by bloggers to host images that they embed in blogs and social media. As of October 2009[update], it claims to host more than 4 billion images.

Wikipedia

Wikipedia is a free, web-based, collaborative, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Its name is a portmanteau of the words wiki (a technology for creating collaborative websites, from the Hawaiian word wiki, meaning "quick") and encyclopedia. Wikipedia's 14 million articles (3.1 million in English) have been written collaboratively by volunteers around the world, and almost all of its articles can be edited by anyone with access to the site. It was launched in 2001 by Jimmy Wales and Larry Sanger and is currently the largest and most popular general reference work on the Internet.

YouTube

YouTube is a video sharing website on which users can upload and share videos. Three former PayPal employees created YouTube in February 2005. In November 2006, YouTube, LLC was bought by Google Inc. for $1.65 billion, and is now operated as a subsidiary of Google. The company is based in San Bruno, California, and uses Adobe Flash Video technology to display a wide variety of user-generated video content, including movie clips, TV clips, and music videos, as well as amateur content such as video blogging and short original videos.