Instructions: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Amazon wants you to buy its first smartphone, the Fire, which it unveiled Wednesday. But it also wants you to use that phone to buy more stuff ... from Amazon. And one of the device's most distinctive features is designed to make it as easy as possible do just that. It's called Firefly, and it contains image-, text- and audio-recognition technology to help you scan and identify books, songs, movies and other items. Amazon wants you to use Firefly so much that the feature has its own dedicated button on the side of the phone for one-stop shopping. "The Firefly button lets you identify printed Web and email addresses, phone numbers, QR and bar codes, artwork, and over 100 million items, including songs, movies, TV shows, and products -- and take action in seconds," Amazon CEO Jeff Bezos said in announcing the phone, which will run Amazon's Fire operating system.Firefly is Amazon's recognition tool for the new Fire PhoneAmazon says Firefly can identify more than 100 million itemsUsers can then click to buy an item from AmazonPhone is designed to pull you into Amazon's growing universe of services 
 Question:A user will presumably be able to walk into a store, pick out a product they like, zap it with Firefly and, within a second or two, find out whether it's available on _ for less money.
Output:
Amazon