What is one economic change related to smartphones? the use of electronic paythe use of tellers in banksa decrease in automationan increase in automation

The correct answer is A.

A smartphone is a mobile wallet and paying with one is easier than ever. There are many mobile apps that allow for exchanging money without having to touch 'real' money. People use smartphones to buy in shops ( paying with credit cards or electronic money), to transfer money from one place to another, to send money to friends. Many utilities companies offer mobile payment options to pay bills. The smartphone is a gadget that is always at peoples' disposal and it's easy to use. There is no need to carry paper money around and risk losing a wallet/credit cards as electronic payments methods are protected by a password.

A

Explanation:

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