Last Friday, after a reporting glitch in the morning, Amazon issued December sales statements to KDP exclusive authors telling them how much the etailer decided to allocate for the Kindle Unlimited subscription pool — $13.5 million — and what that was worth per page, $.004609 in the US. Consistent with the larger pattern from recent months, the payment per page read declined (down 6.7 percent, from $.00492) as the overall pool allocated grew (up 6.3 percent, from $12.8 million). While many observers focused on curtailments in subscription reading programs during 2015 — as Oyster prepared to shutdown, and Scribd adjusted their title mix and […]