I thought the title was pretty clear.
The title clearly states that the average founder doesn't grow old as fast as everyone else. I assume ur actually meant that the age of the average find increases 6 months every year. So, no, not very clear
That loophole got closed once inter-state data sharing became possible and Oregon merchants were required to start collecting those out-of-state taxes at the point of sale.
Every airline wants tech-incompetent grannies to buy their tickets, therefore the UI is simple enough that any HN reader should be able to trivially navigate it.