Sure, it may be Barnes & Noble's big day, but Amazon couldn't help but offer up some news of its own. The mega-retailer announced today that its Send to Kindle service is hitting the Mac, letting Apple users send documents and compatible apps from their desktop to their Kindle with a drag and a drop. The app's available now for free. For more info, send your browser to the source link below.Send to Kindle arrives on Macs originally appeare