Currently, HTML5 is not supported universally or fully by all [[web browser|browsers]] and there are not many websites putting its available features to use.{{citation needed|date=December 2010}} HTML5For example, Microsoft's Internet Explorer web browser, which had a 57% market share as of December, 2010,<ref>"Top Browser Share Trend," <http://www.netmarketshare.com/browser-market-share.aspx?qprid=1> [Retrieved January 5, 2011]</ref> does not support "HTML 5" outside of version 9 (which is still unreleased as of January, 2011, and doesn't run inside Windows XP). HTML 5 is in draft state at the time of writing and the standard itself contains many "bugs."{{syn|date=December 2010}}<ref>"Bug/Issue Tracking Service." W3C. 11 Dec 2010. Web. 10 Dec 2010. http://www.w3.org/Bugs/Public/buglist.cgi?query_format=advanced&short_desc_type=allwordssubstr&short_desc=&product=HTML+WG&long_desc_type=allwordssubstr&long_desc=&bug_file_loc_type=allwordssubstr&bug_file_loc=&status_whiteboard_type=allwordssubstr&status_whiteboard=&keywords_type=allwords&keywords=&bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&emailassigned_to1=1&emailtype1=exact&email1=ian%40hixie.ch&emailtype2=substring&email2=&bugidtype=include&bug_id=&votes=&chfieldfrom=&chfieldto=Now&chfieldvalue=&cmdtype=doit&order=Reuse+same+sort+as+last+time&field0-0-0=noop&type0-0-0=noop&value0-0-0=</ref> In fact, HTML 5 will probably not be ready until at least 2022.<ref><http://ishtml5readyyet.com/></ref>, <ref>James, Justin. "HTML 5 Editor Ian Hickson discusses features, pain points, adoption rate, and more," <http://blogs.techrepublic.com.com/programming-and-development/?p=718></ref>
Flash is not available on some platforms including [[Apple Inc.|Apple's]] [[IOS (Apple)|iOS]] devices—[[iPhone]], [[iPod touch]] and [[iPad]].<ref>{{cite web | url=http://www.zdnet.com/blog/hardware/why-theres-no-flash-on-the-iphoneipad-and-why-there-shouldnt-be-flash-on-android/8455 | title=Why there's no Flash on the iPhone/iPad (and why there shouldn't be Flash on Android) | accessdate=2010-12-27 | author=Kingsley-Hughes, Adrian | date=2010-05-28 | work=ZDNet Hardware 2.0 blog}}</ref> Apple have been promoting HTML5 as an alternative to Flash for video and other content.
