The paper introduces a pervasive digital artwork which harnesses live heart-rate and GPS data to create a novel experience on a Pocket PC. The aims of the project, the technologies employed and the results of a preliminary trial are briefly described. Categories and Subject Descriptors H.5.2 User Interfaces: Evaluation/methodology; User-centred design; Theory and methods. General Terms Human Factors, Design, Measurement. Keywords Pervasive, artwork, location, GPS, heart-rate, biodata,