Index[A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] [W] [X] [Z] ubiquitous computing, Weiser, Mark Ultima Underhill, Paco URIs (Uniform Resource Identifiers) usability Norman, Don and Veen, Jeff and users King, Andy and Principle of Least Effort UWB (ultra-wide-band) technologies |