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The graduates from MIT have developed successfully an iPhone app that can help you to remain fit by keeping an eye on your pulse rate. This checking would not not require any specialized device but it can be done on the iPhone or iPod Touch. The phone app is known as Cardiio app and the its way of evaluation depends on how your heart rate works and it takes the help of the front iSight camera to scan your face and ultimately presents an update of your pulse rate. It works when the heart rate increases, the face receives more pumped blood and the radiance that is emitted by your face gets decreased in this process. These differences in the reflectiveness helps the app to determine the pulse rate as three beats per minute. This app can bring much ease into the determination of sudden fluctuation of pulse rate which often leads to serious health issues, and the whole process can be covered only through the scanning of the face. There is much anticipation about the accuracy level of the app and a large number of people are expecting that it will generate positive responses from the users. We can all wait to see how beneficial it proves to be. Source

You guys ought to check this out! source: http://www.cnn.com/2012/04/17/tech/iphone-app-aims-to-program-your-dreams-inception-anyone/index.html This will make nice tool for those who are disturbed and would prefer to have a pleasant dream. I wonder how well this really works and if people can influence your dreams, they how far is the iPhone from influencing your thought process. It seems free will sell soon at the cost of IPhone.