It won't have escaped your notice that smartphones are being marketed with features that have more to do with lifestyle than telephony. Take the recent UK TV ad campaign for the Samsung Galaxy S7, which featured a young man anxious to receive a call from a young lady he'd exchanged telephone numbers with. The young lady eventually called him, but he fumbled with the phone and dropped it into the kitchen sink. Luckily, his Samsung Galaxy S7 continued ringing despite being immersed in a few inches of water.
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