Amazon has launched a new photo storage service called Prime Photos, and is offering Prime subscribers unlimited cloud storage for their images at no extra cost.Photos can be uploaded to Amazon's Cloud Drive with iOS or Android apps or the Cloud Drive website.EATTLE--(BUSINESS WIRE)--Nov. 4, 2014--(NASDAQ:AMZN)--Amazon today introduced Prime Photos, the newest benefit for Prime members, which provides free unlimited photo storage in Amazon Cloud Drive.