Why were lavishly illustrated books and magazines so popular in the early 20th century?

Lavishly illustrated books and magazines were popular in the early 20th century due to advancements in printing technology, making it easier and more affordable to produce colorful and detailed images. Additionally, there was a growing interest in art and design during this period, leading to a higher demand for visually appealing publications. The illustrations helped attract readers and enhance the overall aesthetic of the reading experience.