If you need a good reliable recommendation for a fountain pen since this post spends more time on the why and not the what of fountain pens, the lamy safari will treat you well for a very long time.
As someone in the tech twitter sphere this is yann and his ideas performing a suplex on LLM based companies. It is completely unfathomable to start an ai research company… Only sell off 20% and have 1 billion for screwing around for a few years.