Predictably Smart

It's easy to feel like new ML technologies for us to rethink everything about UX design, but that's not quite true. The emergence of ML doesn't change the fact that the most usable, delightful UIs are those that embody principles of good design--like habituation--that many designers and researchers (Don Norman, Jakob Nielsen, Steve Krug, and Jeff Johnson to name a few) have been writing about for years. Evaluating recommendations or visually searching the interface for content counts as a navigation step, just like a tap or click. No ML-based suggestion will be "helpful" enough to offset breaking your user's flow state and muscle memory. But if you're confident that the user has a more open-ended goal like exploration, you have more leeway to put dynamic, ML-based features at the forefront of your UI.