That post lists 3 applications, which is not enough to be "many". No live demos.

I don't know what Google uses to make "question answering" replies to searches on Google but it is not to hard to find cases where the answers are brain dead and nobody gets excited by it.

Yeah, 1 is "a", 2 is "a couple", 3 is "a few", 4 is "some". You don't get to "many" until at least 5, though I'd probably call it "a handful", 6 as "a half dozen", and leave "many" to 7+.

I'm not so sure. Are these the definitions GPT-3 uses?

That's fair , I forgot how many they had vs just saying it is powering 300 apps. There is also http://gpt3demos.com/ with lots of live demos and varied things, though it's more noisy.

Three is not "many" but this is still a pretty uncharitable response. Be sure to check the Guidelines.

I keep wondering if you can perform psychology experiments on it that would be useful for humans.