There is no doubt that there are many different ways of payment for purchase. First, We can say that People used to exchange anything they had. Gold was very popular. People used anything that other people thought had value. As the way we can buy things has also changed. we need quicker and easier ways to pay for things.
In my opinion, cash will be less important. In the future, we'll carry small electronic chips which can be used to pay for things.
There is another possibility, We will buy things online as it is easy and sometimes cheaper. In a word, internet shopping is much cheaper and easier than traditional shopping as it is quick and convenient. In the future, more people will use their computers to buy the things they need, like clothes, food, tickets and books.
Also there are many other ways of paying, including cheques, credit cards and online payment.
Excuse me, I wrote this paragraph quickly without revision.
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