In 2000, Samsung opened a development center in Warsaw, Poland. Its work began with set-top-box technology before moving into digital TV and smartphones. The smartphone platform was developed with partners, officially launched with the original Samsung Solstice[33] line of devices and other derivatives in 2008, which was later developed into Samsung Galaxy line of devices including Notes, Edge and other products. In 2010, Samsung announced a ten-year growth strategy centered around five businesses. One of these businesses was to be focused on biopharmaceuticals, to which has committed ₩2,100,000,000,000. In first quarter of 2012, Samsung Electronics became the world's largest mobile phone maker by unit sales, overtaking Nokia, which had been the market leader since 1998.