<a target="_blank" href="http://weathersphere.com/">WeatherSphere</a>, a small Mountain View-based startup founded by former eBay engineer Raghav Gupta in fall 2012, is focusing on developing mobile a
U.S. weather app maker WeatherSphere is launching a new app called TurnCast which combines real-time and predictive rain and snow data with voice-prompted navigation -- so drivers can change their tra