While the Internet changed everything, mobile will change everything squared. The Internet is just a roadway, and computers--the equivalent of cars for the Internet--have been expensive. The keepers of the information roadway--the telecommunication companies--will give one a "computer," such as cell phone, mobile learning device, or MLD, for free when one pays the toll. It doesn't take a PhD to see that MLDs resonate in a very deep way with how the mobile generation lives and breathes. As the authors travel the country and the globe, they are meeting many pioneering educators who are not waiting for more data before moving ahead with mobile learning projects. These educators see how thoroughly engaging mobile technology is for today's youth. Mobile learning is absolutely changing the game in K12 education. This article features four districts which continue to move forward with mobile learning pilots ranging from 60 to 200 students. It documents the positive gains in student performance in classes using the MLDs.