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Chapter 8 Devices are Service Avatars > 8.2 Devices are service avatars - Pg. 102

102 SMArT ThIngS: UBIqUIToUS CoMpUTIng USer experIenCe DeSIgn Figure 8-1 A printed Encyclopedia Britannica, a service that has now moved to a new delivery technology. (Photo © Stewart Butterfield, licensed under Creative Commons Attribution 2.0, found on Flickr) To see how this can happen, consider how we use non-digital tools. Take the hammer, possibly the lowest-tech tool in a typical house. people pounding nails