Billy Cheung's Journal

Explore what I've built, broken, and learnt

17 November 2025

The real risk of AI isn't the machine - it's us

AI isn't a digital brain or a threat to humanity. It's a tool built on probability and patterns. The real risk lies not in what AI can do, but in how humans choose to use it.

# ai ## technology ## accountability ## ethics #

10 November 2025

Dependencies: the secret language shared by engineers and managers

Whether in systems or teams, the same challenge appears - how to manage dependencies, align efforts, and decide what can safely run in parallel.

# engineering ## cross disciplinary ## leadership ## asynchronous ## dependency ## operation #

3 November 2025

Numbers don't lie, but people sometimes do (to themselves)

I once saw a project go south while its project manager insisted it was "perfectly on track". It made me reflect on how easily projects lose control - not from the lack of effort, but from misplaced confidence.

# leadership ## project management ## pmbok ## pmo ## data driven #