The one consistent thing about the field of information technology is that periodic updates/changes are inevitable. No language is capable of avoiding upgrades and/or new releases. HTML is no exception. HTML5 was released with the primary objective of improving the World Wide Web experience for the developers and the end users. As already mentioned, the biggest advantage that HTML5 has over its unnumbered predecessor is that it has high-level audio and video support which was not a part of the version specifications in previous HTMLs.
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