Known for their tradition and scientific method to pouring the perfect pint, Guinness has mastered product differentiation and strategy. The successful brand originating from Ireland operates globally, brewed in over 60 countries and available in over 150. With a diverse range of products, packaging, and labelling, Guinness sets an example to marketing managers promoting consumer products internationally. By adjusting their products to suit the trends and preferences of different markets, Guinness has been able to appeal to a variety of consumer tastes for over 260 years.