There’s no doubt that Amazon sells a lot of Kindles; it’s the most popular product on a site that sells many very popular things. But we’re five years into the Kindle Age, and we still don’t have a single firm sales number to pin on them. Come on, guys! Let us quantify how impressed we are! The latest evasive maneuver from Bezos’ merry band says that yesterday was the “biggest day ever” for Kindle sales worldwide (owing in part, likely, to a cut-rate Kindle Fire sell-off) and that “9 out of the top 10 best-selling products” on Amazon over the last seven-plus weeks have been Kindles, Kindle accessories, or Kindle content. Read the full story at Gizmodo.