In order to make people drive more eco-friendly, Ecodriving asked drivers to put a glass of water on their dashboard and drive without spilling a drop. It had an instant impact on people behaviours. However, using a glass of water is not very convenient, therefore Ecodriving developed an Iphone Application that looks and behave like a glass of water. At the end, people were able to visualize where they spilled water, where they were speeding…All the data are automatically uploaded to a website where you can analyze your driving through graphic tools. Users can also challenge their friends and share their progress.