Here are the statistics for each year (as of the end of Q4)
2006 - 2.9 billion objects
2007 - 14 billion objects
2008 - 40 billion objects
2009 - 102 billion objects
2010 - 262 billion objects
Over the past three years, an increase of 155-185% with an annual average of 165.86%. Further increase in the load on the hosting can go at the same pace. There are all prerequisites for this: the service is technically developing (recently there was full support for static sites ) and is quite stable.
If we extrapolate the current growth rate of 165.86% per annum for the next couple of years (the daily growth rate is 0.00268248444208354), it turns out that the level of one trillion objects will be overcome in the second quarter. 2012, namely about May 14, 2012 ')
The peak load on S3 has already increased to 200,000 requests per second, but this is absolute nonsense compared to what awaits them in the coming years.