Which packaging innovation from the early 1900s first allowed consumers to see a product before purchase, revolutionizing retail display and consumer trust?

Before the 20th century, most products were sold in bulk from barrels or bins, with shopkeepers measuring and packaging goods on demand. The evolution of product packaging transformed not just how goods were sold, but revolutionized consumer behavior, brand recognition, and retail strategy. This trivia question explores a pivotal innovation in retail packaging history that changed shopping forever.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Cellophane windows on cardboard boxes
Tin containers with lithographed labels
Kraft paper bags with brand stamps
Wax-sealed glass bottles