4. Installed it because it's the recommended one when signing up for a Microsoft account even though they let you use other authenticators

Source: most people in my college

I'm pretty sure this doesn't work if a user has hidden their posts

I thought the majority of the slowdown was because of the refractive index of the glass, where the wave does actually travel slower through the fiber even if it was going in a completely straight line.

Individual photons still travel at exactly c, but there is an effect which I don't understand that causes the light to slow down (I was taught that this was because light was absorbed and reemitted by the glass molecules but from googling it that's not true)

Is it a pixel 6a? There's something wrong with their batteries so they updated them so they don't get set on fire. They're giving a free battery replacement, and I heard you might also be able to get cash out of it. https://support.google.com/pixelphone/answer/16340779