What no one ever mentions is the disabilities we get older that makes using technology difficult. Arthritis, especially rheumatoid arthritis, cripples the hands, loss of sight, or its gradual deterioration, all make interfacing with technology difficult.
It is not just problems that may be particular to old age. I have dyspraxia, meaning I have poor fine motor control that makes using a mobile phone with all those tiny symbols and letters, really difficult to use. It has mental effects as well and while my mind is saying 'enter 123', my fingers are entering 213.
You will have noticed that my posts are often littered with typos. That is after I have read and removed most of them, words with all the right letters but in the wrong order.
As well as that the tips of the fingers on my right hand are permanently numb following a not totally successful carpal tunnel syndrome op.
These problems are not limited to the elderly. Yet apart from those big key, very limited function phones, little or nothing is offered to help those who have physical problems in operating a mobile phones.