Freecycle.
I like it because it brings out the best in people - kindness, generosity, environmental awareness etc..
I also like it because some of the drivel that people emit there is simply hilarious.
Here are some howlers from around here:
I'm fairly sure that vellum isn't the same as VELUX.
Have you ever wondered why Snoop Dogg sits strangely in those Just Eat ads?
I can't help thinking that rubbing down with sandpaper might achieve a better finish.
Moseley?