During the BoF days from Monday to Thursday, a great many tiny videos were shot of many of the attendees by Dan Leinir Turthra Jensen. These have been edited and cut up and turned into a video explaining, very shortly, what KDE really is. Being a community of people contributing to the development of software, the conclusion is straight forward. See the unsurprising conclusion in the video entitled What is KDE? (webm, mp4), created as a tribute to the KDE community and all the amazing people in it.