Web 2.0 involves making newly improved forms of online connection between two or more people, two or more online services or between individual users and software applications.
Web services
This includes the ability to use web functionality from different websites and plug them together to create new services or ‘Mashups’.
For example, an estate agent website can plug in ads from other agents and usGoogle Earth to show location of each property. Online payment sites such as WorldPay or PayPal can be plugged into online e-commerce websites e.g Ebay. Also anyone can plug in a YouTube video into their own website using the Embed link
Software as a Services (SaaS)
This involves application functionality being offered directly over the internet. Use of data and applications can be access from any internet enabled computing device. This includes Google Docs which is an online Word processing, Spreadsheet and Presentation service. Another example is Zoho Writer, Jooce a Free Online Desktop
Interpersonal computing
this uses onlines services to connect people and businesses together in social networks e.g. social networking sites, wikis, blogs and online video. These include myspace, Facebook, Youtube, Kaltura – all of these sites allow anybody to add as well as to access content to any of these sites. They can leave messages and comments and well as exchange digital media and video
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