Academic Paper from the year 2013 in the subject Business economics - Offline Marketing and Online Marketing, grade: 1,0 (dt.), 17,75/20 (fr.), University of Upper Alsace, course: M?thodologie de la recherche appliqu?e au consommateur, language: English, abstract: E-mail advertising has become increasingly important as marketing tool for companies as it reaches a large number of customers at relatively low costs. However, there also exist certain...