According to the Radicati Group, a technology marketing firm, business email users now send and receive an average of 122 messages per day, up from 110 in 2010. Sealing and opening all those virtual envelopes takes a toll: A 2012 report from McKinsey found that workers spent 28 percent of their day on email.
from Stowe Boyd http://stoweboyd.com/post/124060424477
