Amazon has left us with no choice: making sales conclusions based on a single additional letter. The company, notoriously vague on Kindle sales, has announced that “in just the first 73 days of this holiday quarter, we’ve already sold millions of our all-new Kindles.” In other words, at least two million, and more for Kindle overall if you consider DX (still on sale) and the recent lightning deal blowout of the Kindle 2. Amazon’s Department of Creative Statistics also noted that this elusive sales figure is greater than all its Kindle sales in 2009. How many is that, you ask? No idea — we know “millions” were sold between 2007 and 2009, but parsing it out further would only unravel a mystery Encyclopedia Brown has been spending pages and pages to solve — and still has a ways to go.