1926: The first mobile telephony service was offered to first-class passengers on the Deutsche Reichsbahn journeying between Berlin and Hamburg. Describe a technological advancement that has significantly benefitted society. You should say: - What the advancement is - When it was developed - How it works And explain why it has been so beneficial.

It is a very unusual question I have ever seen. The technological advancement that has significantly benefited society, in my personal point of view, is the mobile phone. I think this advancement is very modern now and very beneficial because there are days we can't describe our lives without a mobile phone. We use mobile [...]