2000 - 2004

Wikipedia is a free Internet encyclopedia, supported and hosted by non-profit Wikipedia foundation. It is one of the sites that follows one of the original purposes for the web, information. If you are looking to find out what something is, Wikipedia is likely to have an in-depth answer for you.
Wikipedia is ranked among the ten most popular websites and constitutes the Internet’s largest and most popular general reference work. In 2014 it had 18 billion page views and nearly 500 million unique visitors each month.

LinkedIn is a business-oriented social networking service with the task of finding a job easier. Users can create and design their own personal profile to effectively “sell” themselves to potential employers. It is now available in 24 languages and has over 380 million users around the world. You can connect and endorse people that you have come into contact with in your working life.

MySpace was one of the first social networking websites to appear on the scene. Users could submit blogs, music, photos and videos on their personal profiles where their network of friends could view them. MySpace had a significant influence on pop culture and music and created a gaming platform that launched the successes of other companies, among others. The site also started the trend of creating unique URLs for companies and artists. From 2005 until 2008, Myspace was the largest social networking site in the world, and in June 2006 surpassed Google as the most visited website in the United States. However, the site has started to decline in popularity despite several redesigns.

The Pirate Bay is an online index of digital content of mostly entertainment media. Visitors can search, download and contribute magnet links and torrent files, which facilitate peer-to-peer sharing among users of the BitTorrent protocol. "This has meant that users can download videos, music, games and software for free, which is illegal in most countries.
In 2009, the website's founders were found guilty in Sweden for assisting in copyright infringement. In some countries, Internet service providers have been ordered to block access to the website."

WordPress is the most popular blogging and website content management system on the Web, with more than 60 million websites. It allows the user to choose from thousands of themes and plugins to create their own website, without having to write any code.

Facebook has become the most popular social networking website and is the second most used website in the world, after Google. "Similar to MySpace, you can post statuses, pictures, videos on their personal profile, to be viewed by your network of friends as well as liking and sharing other user’s posts. Other features include creating events, groups and pages.
Launched in 2004 by Mark Zuckerberg, it initially had limited membership to Harvard students but gradually expanded until anyone in the world could register and create an account in 2006."