Add some explanations

Author: nono

README.md

@@ -2,16 +2,16 @@ Board for LinuxFr.org
 =====================
 
 Users of the LinuxFr.org website can chat on a space called the board
-(« la tribune » in french). This daemon notifies the users when something
-is said with Server-Sent Event / EventSource.
+(« la tribune » in french). This was an experiment for notifying the users
+when something is said with Server-Sent Event / EventSource.
 
+For the moment, I won't use it because:
 
-How to use it?
---------------
-
-    $ gem install board-linuxfr
-    $ mkdir board-linuxfr && cd board-linuxfr
-    $ board-linuxfr -d -a board.sock -P board.pid -l board.log -e prod
+- the current board daemon works
+- I was hoping to simplify largely its logic, but it's not the case
+- Goliath can't listen on UNIX socket
+- EventSource is not supported by most browsers
+  and I'm not very confident in the polyfills for it
 
 
 See also