It's perfect for the lazy bums, just insert a cup - actually called K-Cup - that contains the coffee of your choice, and the Keurig does the rest. In a matter of 40 seconds there will be a cup of coffee waiting to get demolished by you.
No, it doesn't require AAA batteries. Just plug it into the AC outlet and you are good to go.
Waking up for work after a night on the town has never been so easy!