Should our phone's AI assistant run models on the device, in the cloud, or both? Make the strategic case.

A platform strategy question with hardware, privacy, cost and capability all in play. Principal-level answers design a split by task, with a privacy story users can understand and a plan for the devices that cannot run local models.

Updated Oct 2026 · Original practice questions with worked answers and teaching rubrics. Our editorial policy explains the sources, review process and limits.