Snow Leopard sales double Leopard sales

NPD, a market research company, is reporting that Apple’s Mac OS X Snow Leopard has been doing extremely well since its launch, even when compared to Leopard sales. For example, they have said that Snow Leopard has sold more than twice as many copies as Leopard during the first two weeks of being for sale on the technology market. Furthermore, they are also stating that sales of Snow Leopard only declined 25% from week one to week two while they had declined by 60% for Leopard in l