Activity sensing in the wild: a field trial of ubifit garden
Sunny Consolvo,
David W. McDonald,
Tammy Toscos,
Mike Y. Chen,
Jon E. Froehlich,
Beverly Harrison,
Predrag Klasnja,
Anthony LaMarca,
Louis LeGrand,
Ryan Libby,
Ian Smith,
James Landay
Proceedings of CHI 2008
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