Smartphones
become more popular in 2010 when Samsung and Sony started to sell new
mobile phones with android. And apple introduce their new mobile
device, the Ipad. A smart-device like smartphones with a big screens.
These days,
smartphones are popular all over the developed countries. There is no
one that don't know what are a smartphone. The problem of smartphones
are that most of them are expensive and every year the designers
design a new version of them.
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