Recently, we talked about how there are security risks associated with some mobile apps, not because of the app itself, but because of the ad module that runs within free apps to generate revenue. Now, we find that these same modules are also the biggest battery users in an otherwise efficient app.
When I switched from a Blackberry to an iPhone, two things immediately irked me: lack of a raised QWERTY keyboard; and lousy battery life. Soon, friends clued me in to the fact that GPS and 3G were the biggest drains on my battery. So I learned how to better manage my location services, and how to get on Wi-Fi whenever possible. That, and how to carry a cord with me everywhere and plug in anytime I am not walking.
These two principles...