DUBLIN--(BUSINESS WIRE)--Research and Markets (http://www.researchandmarkets.com/research/vh4n8x/4g_uptake) has announced the addition of the "4G Uptake: Marketing Lessons & Best Practice" report to their offering. Many MNOs have either launched 4G-LTE services or are planning to do so. Some have achieved rapid take up and high market penetration. With a well-targeted tariff structure the best 4G proponents have ensured revenue growth that will provide a good return on investment, as well a