Today, the weather forecast is no longer just a solution to a complex mathematical problem or divination by clouds. Today, in addition to complex technologies, user experience about errors is also used to compile it. This allows you to make the precipitation forecast more accurate by 20%, with details to the house.
In which countries do sluggards live? This question can be answered by researchers from Stanford, who processed the data of 700 thousand users of a mobile application that tracks physical activity during the day, and compared the indicators by country.