I use this free app to block a blacklist of sites that suck my time. You can set it to block for any length of time you want: http://visitsteve.com/made/selfco

I use this free app to block a blacklist of sites that suck my time. You can set it to block for any length of time you want: http://visitsteve.com/made/selfcontrol/ http://visitsteve.com/made/selfcontrol/