On January 18th 2008, Aaron J Seigo, President of KDE e.V. and its lead developer gave a keynote address at the KDE 4.0 release event held at Google campus in Mountain View, California. This is a video recording of this august event. In his talk, Aaron gives a birds eye view of the different features in KDE 4.0 as well as a glimpse into the future of KDE 4.
The video is in streaming format and unfortunately Google has not provided a download link with it. So for those who are interested in downloading the video to view it in their free time, can do so using the 'wget' utility as follows :
wget -c --output-document=kde4keynote.mp4 "http://vp.video.google.com/videodownload?version=0&secureurl=twAAANo77xYbVm8VXV5rhG_qPPpRNCbSEwfixV2tMd2j4Uo4ntmtDVLDPHv8b_tQPoUJLJU8lvIfj47OgHJ7bJ4RRwep_TFHvSGSreO8JGQSiA1OxXR4qiGM8upVqU__NCUyGZLbQ1xofY2aPsatvJBqPpJjooYujsvezZduVlne8N2e2jgrjNJkf5JlwHBHpMBkCbzReaQPOoPrQMFpRTM9jkLcsAGjye2-MJbx_0ydYM3cfayiofNm3hE1SmvOtnBW8g&sigh=eklYkc_l10OrI60da0Ybj7O8_oY&begin=0&len=466236"
Those who have a broadband internet connection can watch it below.
Also take a look at the talks given by a number of other delegates at the KDE 4.0 release event.