Basically, I failed to exclude a whole swath of activity I should have ignored.
An explanation, the new data, and an excellent link to a corroborating paper by our usability group, is at: http://robotlibrarian.billdueber.com/corrected-code4lib-slides-are-up/ My sincere apologies to everyone. I'm trying to do due-diligence, but anyone passed a copy of my slides to anyone, please make sure they get the better numbers. -- Bill Dueber Library Systems Programmer University of Michigan Library