[citation][nom]bak0n[/nom]Good luck hiding your banned Facebook usage at work![/citation]
Or you could just not use Facebook at all?
Or on your phone?
Or on your tablet?
Given tons of users are too dumb to disable those sounds in the settings, they'll start leaving Facebook because "it's turning into MSN Messenger"... then we'll see phishing spam claiming the sounds can be customized just like you can change the interface color.