And they can absolutely use it as a fallback for HTML5 video.
Using WMP Plugin, RealPlayer plugin, QuickTime, Flash, etc. is so... 2007.
MS also has(had) Silverlight but at some point they just stopped using it and most of the videos I've seen recently on their site(s) are HTML5 (no plugins required).
But not Apple. Everything (I've seen) on their site is QuickTime.
Using WMP Plugin, RealPlayer plugin, QuickTime, Flash, etc. is so... 2007.
MS also has(had) Silverlight but at some point they just stopped using it and most of the videos I've seen recently on their site(s) are HTML5 (no plugins required).
But not Apple. Everything (I've seen) on their site is QuickTime.