There should be no misunderstanding that this is utter and complete corporate BS. No quantum computers are needed for whatever they did in this work. It's a shame to see IBM depart from their fact-based approach. See Scott Aaronson's blog post: scottaaronson.blog?p=9170

Financial Times@financialtimes.com · 12mo ago

HSBC claims quantum trading breakthrough on.ft.com/4mDbeYG

The more I think about it, the more cynical I am about making press releases about a certain claim coincide with a Nature paper that claims something materially different. Even if they end up factually correct, this is the heart of the issue with mixing capital interests and science

No, they didn't.

Today I was asked in an interview about folks who use the weirdness of ✨quantum✨ to hawk pseudoscience junk. I think that kind of grift proliferates because of a big misunderstanding a lot of folks have about quantum mechanics, which is not really their fault! 🧵