Which pioneering microscopy technology initially used a 'razor-blade model' pricing strategy, selling the base instrument at near-cost while generating revenue primarily through specialized consumables?

In the world of scientific instruments, pricing strategies can be as complex as the technology itself. Revolutionary products often face unique pricing challenges when entering the market, especially when they disrupt existing methodologies. This trivia question focuses on a groundbreaking microscope technology that transformed research capabilities and the surprising pricing strategy that helped it gain widespread adoption in research labs worldwide.

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Confocal Laser Scanning Microscopy (CLSM)
Super-Resolution Fluorescence Microscopy (STORM/PALM)
Scanning Electron Microscopy (SEM)
Atomic Force Microscopy (AFM)