The document is a case study about Nokia's marketing strategies analyzed using Ansoff's Grid. It defines Ansoff's Grid and its four growth strategies: market penetration, market development, product development, and diversification. It then provides a timeline of Nokia's strategies from the 1970s to 2000s, including expanding into new markets in Europe and USA, introducing their first GSM phone and digital phones. Using Ansoff's Grid, it analyzes Nokia's strategies over this period, such as using market penetration during their sales boom and diversifying into mobile phones from other industries in 1987.