judgecorp writes: "Here's a reason to pay for smartphone apps. The free versions can spend three times as much energy finding and serving ads as they do on their actual job. Research from a Purdue university scientist found that as much as 75 percent of the energy used by free apps goes on accessing location services, finding suitable adverts and displaying them."
It isn't easy being the parent of a six-year-old. However, it's a pretty small
price to pay for having somebody around the house who understands computers.