Since her debut, Hatsune Miku has exploded into a world wide phenomenon and idol, with enviable sales throughout the globe. In Japan, her success is second to none, with sales of her first software towering over 1 million units. This, combined with the other Vocaloids, has resulted in the Vocaloids being the number 1 singers in Japan. Europe was also positive with Hatsune Miku, and in a recent poll, when asked who was the best singer, digital or alive, Hatsune Miku appeared as the most selected choice, toppling competition from even the likes of Lady Gaga and Justin Bieber. Hatsune Miku has even appeared on the David Letterman show. The States were not as enthusiastic, but regardless, Hatsune Miku's Project Diva hit the market by storm, toppling previous giants such as Dance Dance Revoluti