DenkWerkzeug (cognitive tools community)
newsblog (long news, from time to time)
Twitter (short news, sometimes)
delicious (my web links)
medialast.fm (music)
SoundCloud (more music)
YouTube (video)
Vimeo (better video)
flickr (some of my photos)
deviantART (really nice art)
basically, I am “heikohaller” everywhere... |