We can use some gamification techniques to motivate. We have campaign "Take and Share" by take photo or video how to exercise per a exercise per a day and share in social network and have time period 1 years, If anyone will take photo or video and share in the most 1 - 3 rank get reward. We have reward: US$1 million for first rank, Gold value US$1 hundred thousand for second rank and Iphone 6 for third rank.