Microsoft is continuing to spend money on Bing to try and take away some of Google's market share. Today, they have announced that Bing Maps has been updated with 121 terabytes of new satellite and Global Ortho imagery. 121 terabytes is quite the amount of data, so just how much land does that cover?

Microsoft says that the new imagery covers about 15 million square kilometers of land, with most of the update being focused on parts of Asia, Africa, Europe, and South America. Microsoft has also updated 800,000 square kilometers of Global Ortho image data, which now totals 10,777,300 square kilometers.

The entire United States, save for restricted zones, and 83 percent of Europe are covered with this imagery that is captured by pilots. Once all of the Global Ortho data is collected, Microsoft is planning on going back and updating roughly 50 percent of the original coverage, mainly in popular areas.