New information communication technology is a good opportunity to exchange information and to get feedback from customers shortening the traditional channel of social relationships. In different countries over the time there has been a significant growth of social interactions by social networks...

This paper reports the use of loyalty card data from one of the biggest retailers in the world – Tesco - to analyse the impact of promotions. The aim is to demonstrate how such data can bring significant benefits to retailers and manufacturers when deciding promotional strategies, over and...