Photo: Sam Machkovech Here comes the next tremor in the book universe. Amazon.com, the world's largest online bookseller, has opened it's first physical bookshop! Amazon Books has opened in Seattle's University District just a few miles from Amazon headquarters. It's 5,000 square feet with a majority of the space dedicated to the almighty book. By combining new display tactics (all books are face out!), a largely crowdsourced inventory, and a seamless ebook purchase option Amazon Books is open for business. After all the years Amazon was paving the way to sell books online, completely upending the bookselling and publishing fields in...