smartphones

The use of cell phones among high school teens has sparked considerable debate regarding its effects on their academic and social lives all across Texas.

Stand Alone GPS Navigators vs. GPS Smartphone Apps Most modern smartphones have built-in maps and GPS units. But those built-in apps don't give turn-by-turn audio directions, like those you may be used to from a dedicated GPS. You can buy apps that give turn by turn directions, but they tend to be expensive, and require up-front costs or monthly subscription fees. (Mapquest is a notable exception;