It is apparent that at some point, most of us have to acknowledge that mobile devices and cell phones are more than just gadgets that we want to show off to others. They have their uses and while features may not be important at times, cell phones have already proven that they can be a critical key in life and death situations.
Today we see technology move cell phones towards delivering the goods. Mobile phones have become more than just for texting and making calls. It has gone to the extent of invading the medical scene, some of which you can see below.

(Source) Cellphone Blog
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