W2: User centered Evaluations for Ubiquitous Computing Systems: Best Known Methods. The deadline for positions papers has been extended to August 18th. Please see www.nist.gov/ubicomp02 for more details. Workshop registrations are included in Ubicomp 02 registration, http://www.ubicomp.org Dr. Jean Scholtz Visualization and Usability Group NIST, MS 8940 100 Bureau Drive Gaithersburg, MD 20899 301-975-2520 [log in to unmask]