Web 2.0 is a technology in Internet we can describe static web page which is work automatically. Web 2.0 tools were developed for users to become easy to usage. In this technology, users can add, editing, sharing and commenting about something. It interacts with users and tools in social media. To give an example about Web 2.0, Facebook is the most important and useful tool in social media. If we needs to explain other Web 2.0 tools such as social networking sites, blogs, wikis, video sharing sites, hosted services, web applications, mashups and folksonomies. Therefore, it helps to search, links, authoring, tags, extensions and signals.