Sharing files, watching movies, listening to music, and all the other media-related activities are abundantly proposed as Internet services. Any provider can propose an MP3 aside books and eggs; you have to choose among subscriptions that most of the time include items that you don't need or never use. The chapters in this book won't discuss these online services that, if you do the math, cost you a lot, including questioning your privacy, of course. Instead, you are going to be like these providers, and the best one too. Why the best? Because you are the person who is best placed to know what you need. Indeed, as you will know how to implement the services that please you, you'll have the functionalities that will suit you the most.