Anick – Resist the urge to immediately follow up an e-mail with an instant message or phone call. Make sure the subject line clearly reflects the topic and urgency of an e-mail. And use “reply all” sparingly.
Workers get disoriented every time they stop what they are doing to reply to an e-mail or answer a follow-up phone call because they didn’t reply within minutes. Workers can spend 10 to 20 times the length of the original interruption trying to get back on track. Link.
Find this article at: http://www.labnol.org/internet/email/email-makes-office-employees-less-productive/1974/
