Plato, a Greek philosopher who lived from 427BC to 347BC, famously wrote that, "Necessity is the mother of inventions." Do you agree with this statement? Why or why not?

Question

Plato, a Greek philosopher who lived from 427BC to 347BC, famously wrote that, "Necessity is the mother of inventions." Do you agree with this statement? Why or why not?
My response was, " I agree with this statement because most of the inventions from the 1800s and in todays generation was/are an necessity.
However, my question is, "Which of the inventions we covered today supports your response to whether, "Necessity is the mother of invention." Explain your response and in doing so.
Note: The inventions I learned today were: Light bulb
      Typewriter
      Assembly line
      Vacuum cleaner
      Transatlantic cable
      Telegraph
      Chain stores
      Gas powered automobiles 
      Telephone
      Mass production
      Adding machine
  and Ford's Model T
I started my response as, "The inventions we covered today supports my response to question 1 are the light bulb, and telegraph. 
However I do not know if any other inventions are a necessity, and if not then why is the light bulb and telegraph a necessity. 
PLEASE HELP!!!

Ms. Sue · Answer

I don't count any of those are necessities. What we absolutely need in life is food, water, shelter, and in some climates, clothing.

Nicole · Answer

Yes, but we are talking about inventions of technology not items and all that.