Chartbook • 543 implied HN points • 04 Feb 26
- Market moves recently reveal who really makes money from credit cards in the US, highlighting which companies benefit from fees and interest.
- Apple’s profit margins are a focus, showing how much of its revenue turns into profit and why that matters for investors and competition.
- A curated mix of links covers topics from skipping the grid and modern infrastructure choices to 18th‑century war machines, often illustrated with striking images.