This is a brief description of the Block Server, its functions, what it is and what it isn't.
http://audioboom.com/boos/3426511-the-block-server-is-not-a-server.mp3 .
Finsbury Park, London, United Kingdom - openstreetmap 
This recording was made near Finsbury Park, by fortyfoxes, on Jul 31, 2015 at 9:38 PM - audioboom