I was extolling MN virtues to a friend t'other night who isn't a member. Whilst trying to explain the MN collaboration of FSOG, I just fell about at recalling the "bashing away at his casio" and "chopsticks".
I've linked the thread for her tonight and even as I scrolled through I still start spluttering as I approach that post 
www.mumsnet.com/Talk/mumsnet_classics/1506733-50-Shades-of-Mumsnet-A-collaborative-book
For anyone who's never read 
What gives you that bubbling I'm-going-to-cry-laughing feeling?