That's why the Beeb is using Flash for its iPlayer (for now).
Why isn't the BBC moving faster towards using HTML5 for its iPlayer catch-up TV service? Director of BBC Future Media & Technology Erik Huggers has explained why in a blog post.
He was responding to criticism of the BBC's use of Flash for iPlayer, and suggestions that the corporation isn't committed to open standards.
"Our use of Flash is not a case of BBC favouritism, rather it currently happens to be the most efficient way to deliver a high quality experience to the broadest possible audience," writes Huggers.
He also points out that the BBC already uses a number of different formats to deliver iPlayer to various devices, but goes on to express caution about HTML5 - which is famously supported by Apple's iOS devices where Flash is not.
"The fact is that there's still a lot of work to be done on HTML5 before we can integrate it fully into our products," writes Huggers.
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"As things stand I have concerns about HTML5's ability to deliver on the vision of a single open browser standard which goes beyond the whole debate around video playback."
He goes on to praise the aims of HTML5, but complains that the standard is "starting to sail off-course", due to "the tension between individual motivation and collective consensus".
