So far, when it comes to the Google Nexus 5 (or possibly the Nexus 4 2013 as it may be called) and Android 4.4 KitKat, we've had to deal mostly with still images or maybe a very short video that doesn't really show much. A new video has popped up that claims to show off the Nexus 5 and Android 4.4 in detail, quite a bit of detail actually as the video is full HD and 7 minutes long...
Source: http://www.phonearena.com/news/Nexus-5-and-Android-4.4-shown-off-in-7-minute-HD-video_id48235
Source: http://www.phonearena.com/news/Nexus-5-and-Android-4.4-shown-off-in-7-minute-HD-video_id48235