There are always some tech demos and hidden pages which are for the most part working fine, but are not linked anywhere.
Thanks to Tecfan and anyone who originally compiled such a list in this thread.
free hidden features
/user/_/library/explore (library exploring)
- /user/_/library/explore/2012/02/01 (exploring a specific year / month / day is also possible)
- /user/_/library/reminder (artists you haven't listened to recently)
- /user/_/library/moderatedtracks (auto-corrected tracks)
- /user/_/library/moderatedartists (auto-corrected artists)
- /start/library (the start screen you usually only get after first joining Last.fm. It's not really meant for use on established libraries, so be a bit cautious)
- /home/reading (recommended journals and news)
- /place/United+Kingdom (place…