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"Techonomics" focuses on how technology is revolutionizing the way we live and do business. Looking at new business models and innovations, CNN explains and analyzes all aspects of this disruptive global shift. (CNN) -- In September 1985 a devastating earthquake measuring 8.1 on the Richter Scale smashed into Mexico City killing 10,000 people and leaving parts of the city in ruins.

September 17, 2014 -- Updated 1106 GMT (1906 HKT) | Filed under: Innovations Tomorrow Transformed explores innovative approaches and opportunities available in business and society through technology. (CNN) -- Mary Lou doesn't know that she's being tracked. The 77-year-old is in the middle stages of Alzheimer's and though she lives on her own, her family keeps close tabs on her.

Today's smartphones are well-equipped to satiate our appetites for instant gratification. We stream live video, look up facts on a whim, receive breaking news alerts and stay connected to our friends via social media. But one thing has lagged behind this culture of immediacy: smart phones' batteries.