Development of applications for Facebook is a great opportunity to succeed in mass promotion campaigns. Applications of this type are unique and are able in the best possible way to provide your products and services to clients from around the world. Also, it may be a great way to promote different projects and online games. The app itself will be available on www.facebook.com website and you can invite participants to play various games and view your online store. You can develop any application relating to your area of activity. There are no any restrictions. Below is presented an example of advertising that you can use to promote your business in the most popular social network in the world.