Businesses use product placements for attraction. See, they want to drag in customers so that they use their money to the best of their ability. So they can get the best out of the product that the business is offering. The business gives a product, the customers buy.
They were used to increase mobility
The French Revolution was the first democratic revolution in Europe that actually gave birth to a stable democratic state. Foremost it is seen as the beginning of the democratization of Europe.
