Which company pioneered the 'razor and blades' business model, where the main product is sold at a low price (or given away) while the complementary consumable is sold at a premium?

Throughout history, innovative pricing strategies have revolutionized entire industries and changed consumer behavior forever. From subscription models to psychological pricing tactics, companies have discovered ingenious ways to position their products in the marketplace. This trivia question explores a groundbreaking pricing innovation that disrupted traditional retail and created an entirely new business model.

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

Gillette (selling razors cheaply but making profit on blade refills)
Kodak (selling cameras inexpensively but charging premium for film)
HP (selling printers at low cost but charging high prices for ink cartridges)
Sony (selling PlayStation consoles at a loss but profiting from game royalties)