How Technology Can Help You Live a Healthier Life [VIDEO]

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Can technology help us live healthier lives? Thatï¿½s what a host of device and app makers are promising (and banking on), with products that track everything from our diets to our sleep patterns.

The ï¿½quantified selfï¿½ trend was on display at this yearï¿½s CES, with numerous product announcements and demonstrations of digitally connected health devices. One of those was the FitBit Aria, a Wi-Fi enabled body scale that lets you track weight and BMI. It then syncs that data with web and mobile apps that can track progress, provide encouragement, and let you share results on Facebook and Twitter.

We caught up with FitBit CEO James Park to talk about whatï¿½s driving this product category -- which he says analysts expect to be a $4 billion industry by 2014 ï¿½ and how consumers can benefit by connecting their lives to technology and social media.