In the 2000s, I used to work for a small boutique consultancy specialized in financial software in London, UK. We used to build solutions that allowed, for example, a Northern European bank to sell a savings product with 7% yield.
Seven percent (a few years later, the Great Financial Crisis would hit - but that's another story).
When building that software, developers and product managers were collaborating using a methodology quite fancy but still unusual at the time. Despite it being already a couple of decades in the making, this approach was not yet widely popular. It was, really, only known to “insiders” as Agile, and it prescribed a very different way to go about software development.
You can read the full post here: www.mc10.xyz/agile-moment-crypto/