A wiki is a Web site that allows users to add and update content on the site using their own Web browser. This is made possible by Wiki software that runs on the Web server. Wikis end up being created mainly by a collaborative effort of the site visitors. A great example of a large wiki is the wikipedia a free encyclopedia in many languages that anyone can edit. The term "wiki" comes from the Hawaiian phrase, "wiki wiki," which means "super fast." I guess if you have thousands of users adding content to a Web site on a regular basis, the site could grow "super fast."

Google Docs is a free Web-based application in which document can be created, edited and stored online. Files can be accessed from any computer with an in connection and a full-featured Web browser . Google Docs is a part of a comprehensive package of online applications offered by and associated with Google

YouTube is a video sharing service that allows users to watch videos posted by other users and upload videos of their own. The service was started as an independent website in 2005 and was acquired by Google in 2006. Videos that have been uploaded to YouTube may appear on the you tube website and can also be posted on other websites, though the files are hosted on the YouTube server.

Face book is a popular free social networking website that allows registered users to create profiles, upload photos and video, send messages and keep in touch with friends, family and colleagues. The site, which is available in 37 different languages, includes public features such as:

Instagram is a free online photo sharing and social network platform that was acquired by Facebook in 2012.

Instagram allows members users to upload, edit and share photos with other members through the Instagram website, email, and social media sites

Twitter is a free social networking micro blogging  service that allows registered members to broadcast short posts called tweets. Twitter members can broadcast tweets and follow other users' tweets by using multiple platforms and devices. Tweets and replies to tweets can be sent by cell phone text messages, desktop client or by posting at the twitter website.

Blog a personal website or web page on which an individual records opinions, links to other sites, etc. on a regular basis.

Google Drive is a service offered by google that allows you to store and share files online. The service was launched on April 24, 2012 and provides 5 GB of free storage. Additional storage can be purchased for a monthly fee.

The goal of Google Drive is to provide a central place to store your files online so that you can access them from anywhere. Additionally, you can access your Google Drive from multiple devices,

Dropbox is cloud storage service that enables users to store files on remote cloud servers and the ability to share files within a synchronized format

A Password is a secret word or code, which a user must supply during a login to demonstrate that he is, in fact, the person he claims to be.

Search engines are the program that search documents for specified keyword and returns a list of the documents where the keywords were found. A search engine is really a general class of programs, however, the term is often used to specifically describe systems like Google, Bing and Yahoo! Search that enable users to search for documents on the www

E-mail (electronic mail) is the exchange of computer-stored messages by telecommunication. (Some publications spell it email; we prefer the currently more established spelling of e-mail.) E-mail messages are usually encoded in ACSEE text.

An internet browser is the program that you use to access the internet and view web pages on your computer. Some common internet browser examples include:

• Microsoft Internet Explorer
• Mozilla Firefox
• AOL Explorer
• Apple Safari
• Opera
• Flock
• safari