Video Games use a great deal of Artificial Intelligence. Whenever you have settled down to indulge in a computer game that has pit your character/player against 'the computer' then this is using Artificial Intelligence. This is because the computer was programmed with a certain amount of virtual intelligence to know how to react to a certain move you follow through with your computer player. If for example, you're playing the computer in a fighting game, the computer has to be instilled with a fair amount of AI because it has to know how to react to your playing habits and skills and no fight is ever identical.
Also, there is a degree of AI present within the programming of a SAT NAV or auto pilot system as well as many automatic checking systems that you may find in places like airports and high security buildings.
AI is present in a number of computer-based products and as the years go on, more examples of Artificial Intelligence will arise.