Does modern technology make our life simple or hard?

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I think modern technology makes our life simple in many ways, such as trasportation, communication, education and so on. Let me take communication as an example. In the early past, we sent letters by peigons. Later, by post office. It took weeks to recieve a letter from another city, or you maight not recieve the at all. But now, it only takes a few seconds to send an e-mail by internet to anywhere, even abroad. It costs little. You save the money to buy envelopes and stamps. No worry to lose your letters. The letter you send out can be saved in your computer, so you can traced the letter whether it is successfully sent or not. Therefore, we get untold benefits from high-tech regardless of its cons.