Amazon spent another year invading everyone's territory and pushing the limits of its business strategy.
The e-commerce company continued to dabble in book publishing and Web site hosting and tried its hand at video-gaming development. Anything slightly related to its business -- Amazon jumped on it.
That's not surprising given Amazon's history with identifying and mimicking both services and products to strengthen its bottom line. Here are the five biggest Amazon stories of 2012:
1. Go big on hardware or go home