This week we go big on Pop Tech Jam! Technology expert and author Phil Simon talks to J.D. about his new book, Too Big to Ignore: The Business Case for Big Data and Pedro reviews two new headphones in his never-ending quest for the perfect subway headphones. In the news, Amazon’s Cloud Drive service takes on Dropbox; Microsoft’s Windows Phone making inroads against Apple and Android’s dominance; Google’s new privacy czar; and mobile ads that talk back.