It's July 12th. For many, it's just another Tuesday, but for Amazon, it's another chance to sell millions of customers gadgets, homeware and lots of other stuff they don't need. Yes, it's "Prime Day," a marketing gimmick where Amazon discounts thousands of products for Prime subscribers. To keep on top of things, you'd normally have to track shopping websites or keep an eye on social media, but we want to help. We've listed a number of all-day deals that we think are worth keeping an eye on, but act quick, other deals on the site will only be available for a couple of hours at the most.