Is there a future for "basic" phones?

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http://androidforums.com – My wife and I are in our 60's and both of us have "basic" (dumb) cell phones with T-Mobile but we both wonder if eventually we will be out of luck getting replacement "basic" phones with tmobile or anyone for that matter. I know the thing these days are smartphones but what if someone... especially the older crowd... just wants a phone that is just a phone? Will those days come to an end sooner or later? and we notice while researching cell phones that most smartphone reviews come in with poor or mediocre call quality. I know most people today don't care about actual v (General)