Since I’ve been moaning about the ROI perspective this morning I’ve stumbled across a post of my colleague in our internal knowledge exchange stream; he’s been refering to a post on http://andrewmcafee.org/: /2011/02/deloitte-report-enterprise20-data/
Check our figure 18 (end of page). That’s something measurable. Due to the fact that it’s more or less happening in the context of task work (pls refer to my previous post) there is a benchmark available.