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The <video> element started being discussed by the WHATWG in October 2006. [2] The <video> element was proposed by Opera Software in February 2007. [3] Opera also released a preview build that was showcased the same day, [4] [5] and a manifesto that called for video to become a first-class citizen of the web.
The HTML5 draft specification adds video and audio elements for embedding video and audio in HTML documents.The specification had formerly recommended support for playback of Theora video and Vorbis audio encapsulated in Ogg containers to provide for easier distribution of audio and video over the internet by using open standards, but the recommendation was soon after dropped.
The originator of the content, not the platform that hosts it, should also be ascertained before using the content as a source; unless it is a support or promotional video posted on an official YouTube channel (for instance, YouTube Rewind), or an original series specifically commissioned by YouTube itself, for example, YouTube does not ...
Initially code-named "Cougar", [18] HTML 4.0 adopted many browser-specific element types and attributes, but also sought to phase out Netscape's visual markup features by marking them as deprecated in favor of style sheets. HTML 4 is an SGML application conforming to ISO 8879 – SGML. [20] April 24, 1998
In 2003, he published a widely-read booklet titled The Cognitive Style of PowerPoint, revised in 2006. [19] Tufte found a number of problems with the "cognitive style" of PowerPoint, many of which he attributed to the standard default style templates: [19] PowerPoint's convenience for some presenters is costly to the content and the audience.
SlideOnline allows the user to upload PowerPoint presentations and share them as a web page in any device or to embed them in WordPress as part of the posts comments. [13] Another way of sharing slides is by turning them into a video. PowerPoint allows users to export a presentation to video (.mp4 or .wmv). [14]
Links to video content on YouTube or Google Video (or other, similar content aggregators) are allowed, provided the material linked to is not obviously infringing copyright, is relevant to the article, and is a primary source or a reliable and irreplaceable secondary source. This is the same policy as for any other external link.
The data URI scheme offers an alternative for including separate elements such as images, style-sheets and scripts in-line when serving an HTML request or saving an HTML resource for offline use. Like the embedded content within MHTML, data URIs use Base64 encoding of the external resources (which may be binary or text) to embed them in-line ...