Smart Watch === elektronsiche Fußfessel!
http://www.faz.net/aktuell/technik-motor/mwc/samsung-galaxy-s5-das-smartphone-als-fitnesstrainer-12819047.html
http://upload.wikimedia.org/wikipedia/commons/a/ac/Polar_RS400_Heart_Rate_Monitor.jpg
[1] http://40.media.tumblr.com/a0f8e9a1c5f9921689090e7877bcc9fc/tumblr_nbjykhuvif1sofvubo2_1280.jpg
[2] http://41.media.tumblr.com/a11d7bc1d01660fa72f763208fe0d5e3/tumblr_nbjykhuvif1sofvubo1_1280.jpg