Efficiency at Food Court- Food Opera @ Ion

I usually avoid the long queue and simply don't like waiting.. Came across this at the airport and it would be good to see more of this in Singapore;

Step 1: You place your food order at the counter and receive the following number tag. You can go back to your table or go to the other stalls.

Step 2: The LED lights up and gadget vibrates when your food order is ready for collection.

Step 3: Dinner is served!

Black Pepper Chicken + Rice