Too much email detracts from work

This article at Wired confirms something that we all know, too much email detracts from people concentrating on their real work. See the article here for all the gory details. The key sentences are "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. Spira said workers can spend 10 to 20 times the length of the original interruption trying to get back on track."