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by jaravis 3053 days ago
Toys are relative -- the iPhone was not a toy compared to other phones but definitely a toy compared to a personal computer.

We built a stationary bike called Revvo (http://revvo.co) -- which does a lab quality VO2Max test but makes it a whole lot more fun. Not a toy compared to other exercise bikes but definitely a toy compared to a $45k metabolic cart used for lab tests.