The Importance of Qualia

Imagine you had the same brain, but you weren't aware of anything. But now your brain cells start to run a slightly different algorithm and suddenly you're aware of your existence. Now, weirdly, what you're experiencing is a private experience. It's not objective, which is something we can measure and agree on,. Instead, only you are experiencing it. There's just a particular wavelength of light associated with your private subjective experience of seeing red.