There are several ways that digital cameras have changed since 1990. Some ways are that you no longer have to wait days to see your pictures, you can share pictures instantly, and you can take videos with your digital cameras.
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Explanation
We can learn that we should always stand up and exercise our freedom of speech. Another lesson we learned from the protests in the 1960s is that our government is not always right, and we can make a change if we take action.