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In early October, Larry Lee, 74, went for his early-morning walk in Albert Lea while his wife, Pat, was still dozing - and may never have returned if it hadn't been for their 2-year-old yellow Labrador. Pat heard the dog, Dee, start barking. But she figured, at first, that one of the neighbors' dogs must be outside.

Girl Scouts are adding digital marketing to their formidable arsenal of charm, cuteness and perseverance to sell millions of boxes of Thin Mints, Samoas and other longtime cookie favorites. After years of prohibiting Internet sales, the Girl Scouts of the U.S.A., the group's national organization, has approved "Digital Cookie," a platform for scouts to sell and ship the colorfully boxed cookies to friends and relatives around the country.

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.

October 23, 2014 -- Updated 1721 GMT (0121 HKT) | Filed under: Innovations (CNN) -- The technology sounds simultaneously fake and dangerous: Strap on a headset and send targeted electrical currents into your brain for about 15 minutes to get more energy, improve your focus or calm down.

Some 40% of adults have experienced online harassment, according to a study from the US Pew Research Internet Project. From name-calling to other threats, harassment is a common part of online life for many, its research suggests. While men are more likely to experience name-calling, women are more vulnerable to sexual harassment and stalking.

"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.

When 23-year-old Jonathan Gottfried snagged a coveted Google Glass back in spring 2013, he turned into an overnight superstar. Gottfried says he was "swarmed" by admirers while donning the $1,500 h...