Design and advertising have been best friends for a while now
When advertising and branding first came about, the owners of products wanted to make their products as beautiful as possible, and so they looked for those with artistic skills to help them advertise their products better. This can be seen today by companies having good signage, of which you can buy good signage from a number or reputable companies online, click here to see one.
In the 19th century, food was being readily contaminated with all kinds of horrible things to improve weight and give people false ideas of quality. For example, bread was filled with iron filings because it made it heavier, and so attracted a higher price. The public were horrified by such things, and so they looked for brands that could guarantee quality. In the early days, names were printed on packaging or in the shops that sold goods to reassure people that products were safe to eat. But, when everyone started doing that, advertising was all the same, so people started looking for ways of selling products and advertising their products that made them unique.
By making their products unique, through good design, and the use of iconography, products stood out among those who did not have good design on their advertising. This is the importance of good design and good advertising (read more).