The four correct responses that highlight how technology has made life different today compared to 50 years ago are:
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Now computers are connected to the internet at all times and some software requires it, whereas 50 years ago, the first internet service provider (ISP) had just been created.
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Now audio can be streamed instantly, whereas 50 years ago, you had to have a copy of the audio on the form factor of the time (cassette tape).
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Now your favorite TV shows are on streaming services and able to be binged all at once, whereas 50 years ago, you had to wait for the time slot of the TV show you wanted to watch and not miss it!
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Now we have telephones in our pocket that can access information across the internet as needed, whereas 50 years ago, the phone was only capable of sending and receiving calls and was plugged into a telephone jack in the wall.
The other options regarding plutonium for powering cars and teleportation are fictional and do not accurately represent technological advancements from the last 50 years.