It was about 10 years of HTML 4.0 / HTML 4.01 is known in the world of web development, time to switch to HTML 5? Year - this year is a period in which web technologies develop so rapidly. Important point of the current web technology is how a web application as an alternative to the more trusted to perform various forms of activities that used to only be done by desktop applications Many things have been achieved by a web application up to this day, we often find a web application for office and business, a web-based online games, online document collaboration, and a series of other activities that may not have been imagined in the past. Technically, is still a limitation is the ability to access the web application level low operating and accessing computer systems, which of course also limited the browser as the client side. May 2009, when Google announced a new service called Google Wave and demonstrated at the conference Google I / O, again made a breakthrough with the display cap