My dad , Vesselin Vassilev , loves gadgets , so I thought a Fitbit could get him off the couch . Do - it - yourself fitness training is a growing trend . But do programs that track your exercise habits have lasting consequences ? Here 's Ralitsa ##k looks at the videos made by her colleagues -- and her dad .
Do - it - yourself fitness training is a growing trend . But do programs that track your exercise habits have lasting consequences ? Here 's Ralitsa ##k looks at the videos made by her colleagues -- and her dad .