> Accessible video/audio is pretty much not existing. He should have read more completely because the almanac notes: > … this figure may not account for video

> Accessible video/audio is pretty much not existing. He should have read more completely because the almanac notes: > … this figure may not account for video content loaded by a third party <iframe>, such as an embedded YouTube video. It should also be noted that most popular third-party audio and video embedding services include the ability to add synchronized text equivalents.