404. That’s an error.
The requested URL /media/www.google.com/en/events/io/2011/static/presofiles/the_youtube_caption_api_speech_recognition_and_webvtt_captions_for_html5.pdf was not found on this server. That’s all we know.
/media/www.google.com/en/events/io/2011/static/presofiles/the_youtube_caption_api_speech_recognition_and_webvtt_captions_for_html5.pdf