You take it with you everywhere you go, and you get anxious if it’s not right at your fingertips. No not your BFF. It's your smartphone, of course. They’ve changed a lot over the years, but some features of our trusty devices have stood the test of time way better than others. You can do just about anything on your phone through your touchscreen. So why do smartphones still need physical volume buttons? 

There are a whole bunch of apps for communication nowadays. So why do phones still have text messaging? What about the star and pound keys on your dialing pad? We started using them 40 years ago. They’ve survived on smartphones because they’re still very useful. So, let's see what smartphone features have actually changed over the years and what smartphones of the future will look like!

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