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1 vote
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During the Industrial Age, what was the main method that businesses used to inform customers about new inventions they could purchase?

The multiplex

The telephone

The telegraph

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2 Answers

5 votes
advertisements I should think :)
User Funbit
by
8.1k points
5 votes
Advertisements usually by posters on walls or fliers the are distributed to the public
User Kaylie
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