A Premium, short, 2 English word domain with a legacy extension.
A search for this exact term
It could also be used for 2 factor authentication programs.
Web 2.0 (also known as Participative (or Participatory) and Social Web refers to websites that emphasize user-generated content, ease of use, participatory culture and interoperability (i.e., compatible with other products, systems, and devices) for end users.
A Web 2.0 website allows users to interact and collaborate with each other through social media dialogue as creators of user-generated content in a virtual community. This contrasts the first generation of Web 1.0-era websites where people were limited to viewing content in a passive manner. Examples of Web 2.0 features include social networking sites or social media sites (e.g., Facebook), blogs, wikis, folksonomies ("tagging" keywords on websites and links), video sharing sites (e.g., YouTube), image sharing sites (e.g., Flickr), hosted services, Web applications ("apps"), collaborative consumption platforms, and mashup applications.
Memorable: WebTwo.org is easy to remember.
Short: WebTwo is 15 characters or less.
Extensions taken: The .com and 6 other extensions of WebTwo are in use.