Ah - that is a fair point, transparency of the "unit". The "box usage" formula was reverse-engineered and shown to be fairly simple: http://www.daemonology.net

Ah - that is a fair point, transparency of the "unit". The "box usage" formula was reverse-engineered and shown to be fairly simple: http://www.daemonology.net/blog/2008-06-25-dissecting-simpledb-boxusage.html http://www.daemonology.net/blog/2008-06-25-dissecting-simple... This is a big step forward in transparency, although I would suggest that SimpleDB's pricing shouldn't have been obscured in the first place.