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This is to prevent 'Tapjacking'. It works in a surprisingly simple way – you download an application and open it, which triggers the installation of a second, this time malicious, application. Then, when you press a button on the seemingly innocent application, you are actually clicking a button on the malicious application that is hidden within it. So, ...


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In general , macro photography from wiki says ....is extreme close-up photography, usually of very small subjects, in which the size of the subject in the photograph is greater than life size...The ratio of the subject size on the film plane (or sensor plane) to the actual subject size is known as the reproduction ratio. Likewise, a macro lens is ...


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In Apps->Emergency Alerts, you can see a list of the previously received alerts and when they were received.



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