Youtube is far too expensive for anyone to try and run a competitor to. I don’t think we’ll ever see a replacement.
Google is still losing money on it, and might never make it profitable. There’s a real risk that Youtube just dies on its own and nothing replaces it.
Greatest of all time had to be the Nintendo DS. Such an amazing library full of games that weren’t afraid to try all kinds of crazy experiments.
Current-gen, my loyalty lies with Linux, even if the state of native ports isn’t so great.