1
It is a global system of interconnected computer networks that use the standard Internet protocol suite
2
It is a social networking service launched in February 2004
3
It is an online social networking service and microblogging service that enables its users to send and read text-based messages of up to 140 characters.
4
It is a video-sharing website
5
It is an American multinational corporation which provides Internet-related products and services, including internet search, cloud computing, software and advertising technologies
6
It is a free, advertising-supported email service provided by Google
7
It is a proprietary Voice over IP service and software application.
8
It was coined in 1999 to describe web sites that use technology beyond the static pages of earlier web sites. It is closely associated with Tim O\'Reilly because of the O\'Reilly Media Web 2.0 conference which was held in late 2004
9
It is an American multinational internet consumer-to-consumer corporation that manages an online auction and shopping website in which people and businesses buy and sell a broad variety of goods and services worldwide.
