From the Bing Blog:
The latest publication of Bird’s Eye includes 215 TB of new data that spans across the United States and features certain areas in Europe, Australia, New Zealand and Tokyo. The total coverage of this publication is 230,004 square kilometers and consists of over 1.1 million files!
The blog post also contains some examples of what’s new and a look at where Bing’s excellent Bird’s Eye imagery is available.
See Also: Bing Maps Introduces 38 Million Sq Kilometers Of New Satellite Imagery (June 26, 2012 via Search Engine Land)
165 TB of data.