I'm self-employed now, but back in the office I'd use a mix of different tricks: - Aggressively filter incoming email. Leave most group conversations. - Turn

I'm self-employed now, but back in the office I'd use a mix of different tricks: - Aggressively filter incoming email. Leave most group conversations. - Turn off instant messaging, check it every hour or so. - Aggressively avoid meetings. Leave meetings when you no longer need to be there. - Work from home more. Work from quiet parts of the office.