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Trying to spend $1B with $100 bill at a time will take 10 million transactions. No one's going to accept large amount of cash without a credible source.

The supply isn't fixed. A new plant takes 3-5 years to build and cost tens of billions. DRAM companies don't always know where the demand will be when the next plant completes. 2 years ago there was too much supply so DRAM price hit rock bottom. So DRAM companies held back on investing in new plants so here we are now.

The Big 3 (Samsung, Hynix, Micron) have been playing this game for 30+ years. There used to be many more DRAM companies but most of them went bankrupt when DRAM was cheap because the big 3 will intentionally drive the price down to bankrupt the competition. Now that they have a tri-opoly, they're milking the profits. New competition will emerge but they don't have the capital of the big 3 so they likely won't survive the next DRAM winter.

Are you suggesting Apple made a foldable phone without doing any market research on demand?

Galaxy Fold is popular with older people who have trouble reading small text

OpenAI may be what IBM was to PC or Motorola was to mobile phones. PC and mobile phones certainly changed the world but IBM nor Motorola controlled that change.

A typical hair dryer uses about 1500W. I guess GPUs are mechanically not much different from a hair dryer.

If you can't afford to buy the lego, you definitely can't afford to have the space to display it.

Only the collectible ones. It's do different with shoes, cars, Pokemon cards, etc

Guessing the depth of a puddle is not an easy task. Many untrained horses will refuse to step into shallow puddles. Then we also have human drivers driving into flooded road.

I highly recommend a free Amazon warehouse tour. You really get to see how the items you order gets picked and packaged.

Their design department needs an intervention