During the industrial age, what was the main method that businesses used to inform consumers about new inventions they could purchase?

This was done through advertisement.  Usually through posters on walls or through fliers that are distributed to the public.  As time went by use of radio, television and now internet and cellphone ads have promoted new inventions and products so that consumers will buy them.

answer; i had to look this up and the only one i found was(last only 15 minutes) plz check first and good luck;

the first settlements began along the huang river because of the importance of the huang river in the beginning of china. it goes back to the story, “the tale of emperor yu”, which references the tale of the great flood, which was caused by the huang river and was believed to create and influence china’s making.