Amazon has for years issued refunds to users when the price of an item drops after they’ve purchased it. But lately the e-commerce giant hasn’t been doing that on a number of products, except for televisions, according to price-tracking companies. Recode reports: The move may have something to do with the rise of startups that track prices for Amazon customers and automatically request refunds when appropriate. One of them, a Santa Monica-based startup called Earny that is backed by the startup incubator Science, first pointed out the change. Earny scours a customer’s email inbox for digital receipts, and then continuously checks the price on a retailer’s website to see if it drops. Read more of this story at Slashdot.