Advertising in Yandex, Vkontakte, Facebook

We need to set the context of advertising in FB, VK, Yandex. We give an abstract, you set out on specificity of targeting to each site. In the future, app, youtube, odnoklassniki, pinterest, etc. It was important to effectively. Try, analyze, change. The goal is to create the maximum number of leads for the franchise Coffee shops. Time to audition to make mistakes we do not, therefore, really important comprehensive expertise in this issue. Please soberly assess their strength. Please show your achievements, successful projects, Analytics examples, case studies. Thank you