I think you could say pretty much everything in life is not necessary, obviously food,water and warmth is but OK. If you were to put in order things you need in life, a phone or computer would not even be included in the list. Should computers or phones suddenly disappear, yes daily activities would become harder, but humans have lives for thousands of years without any sort of modern technology, so we'd get by.
In terms of Ipads or Iphones specifically, no they are not necessary, but I have fallen in love wit my ipod (it's similar) and my sister's iphone.





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