Many people call HTML5 an Adobe Flash replacement and I agree. Adobe already discontinued Flash on mobile devices. So HTML5 Video is a must for video on mobile phones and tablets. On the desktop Flash Video players are used more than HTML5 Video players but HTML5 video will work with a current web browser on a site that supports HTML5 video. Commercial video sites like YouTube will play partnered content in Flash even if you turned on HTML5 video at http://www.youtube.com/html5. I assume the reason for this is HTML5 video doesn’t really support DRM. The HTML5 v...