... & Information Science3Dpt. Computer SciencesSwedish Inst. of Computer Science Norwegian Univ. of Science and Technology Univ. of TampereKista, Sweden Trondheim, Norway Tampere, Finland{olovs,gamback}@sics.se ... to themobile part and in return gets the results of the performed ex-ercises from the mobile component.65Figure 2: Home Companion interface2.1 The Home H&F CompanionThe home part of the ... a rush so I went to the cafeteria2.2 The Mobile H&F CompanionThe mobile part of the H&F Companion runs on a mobile handset (e.g., a PDA), and is used duringphysical exercise (e.g.,...