Brag about what? Please take a moment to read my comment with understanding.
And the dollar sign goes on the side I put it: nine hundred thousand dollars. The fact that you want to write $900k is just an idea specific to the finance world (such as using parentheses for negative numbers).
Dollar sign goes before the number, cent sign goes after, other units go after: $7, 7¢, 7 lbs. You can’t pretend convention doesn’t exist just because it’s weird! That’s why it’s convention and not common sense.
Twitter still working doesn't proof anything. There may be tech debt piling up and after some time they will need some combination of investments and surgery (dropping of non-critical features) to be able move forward without breaking everything.
Really depends on the person, if they're hobby is working/driving cars like enthusiasts it doesnt really make sense to look down on them. For some people a car is more than an utility.
"A lot of us dont need cars"? what an biased onesided view of the world, how travelled are you?
Because outside of your soy latte zones vehicles are a huge need for day to day life.