What persuasion would work best for this essay? And what should i use as a main argument?

Help me please?? Well i need help on an assignment i am doing for english and i am trying to persuade old people over the age of 74 on why they should have a computer in their home. Other than looking at porn, what would be a good point to back up my claim? And what type of persuasion should i use? (Logos, Pathos and Ethos) And what kind of language would they best understand? Any type of help would be great and i just need ideas! so please feel free to give me so,e ideas and give me some pointers, i really appreciate it and i will be waiting for some answers!