We couldn't send texts 100 years ago., We couldn’t use the internet 100 years ago., We could talk on the phone 10 years ago., We couldn't send emails 100 years ago., We could write letters 100 years ago., Long ago, people couldn't see clearly at night. Nowadays, people use lightbulbs., Long ago, people couldn't travel by airplane. Nowadays, people can fly around the world., Long ago, people couldn't talk to friends far away easily., Long ago, people couldn't search for information on the Internet., Long ago, people couldn't make video calls. Nowadays, people can talk to family online., Long ago, people couldn't wash clothes easily. Nowadays, people can use washing machines., Long ago, doctors couldn't treat many illnesses. Nowadays, they can use penicillin.

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