It’s well known in cloud circles that Amazon hides the true value of its Amazon Web Services cloud business, burying the revenue from this unit in the “other” category of its earnings. Eager AWS watchers are left to interpret the growth of this business from the odd bits of information Amazon is willing to share, like new data center openings and the number of objects stored in S3. The latter is expected to slow down in 2012 with the launch of automatic S3 object expiration which will delete old items stored in S3 that users no longer want to keep. Hopefully this year the company will be willing to share more tangible data on what is clearly a very successful business unit. In the meantime, here’s some more fluff.