AI that works. It used to cost a fortune, now it doesn’t.
Practical AI delivers a list of solutions characterizing priorities identified by the user – for the user’s decision. In service to the user.

RPA
Low level practical AI include Robotic Process Automation also known as RPA. Simple examples would be a Microsoft Excel Macro to move cells from one column to another, then transform the data based on conditions. Not much thinking here, hence the name RPA.
High-level AI
High level practical real-time AI includes robotic vehicles that makes decisions, selecting routes to a user selected destination.