Designing Interfaces: Patterns for Effective Interaction Design by Jenifer Tidwell The following errata were *corrected* in the 4/06 reprint: Here's a key to the markup: [page-number]: serious technical mistake {page-number}: minor technical mistake : important language/formatting problem (page-number): language change or minor formatting problem (xv) notes; http://www.mit.edu/~jtidwell/common-ground.html NOW READS: http://www.mit.edu/~jtidwell/common_ground.html