Apple sold 3 million iPad 3s in the first 3 days

"Apple® today announced it has sold three million of its incredible new iPad®, since its launch on Friday, March 16. The new iPad features a stunning new Retina™ display, Apple’s new A5X chip with quad-core graphics, a 5 megapixel iSight® camera with advanced optics for capturing amazing photos and 1080p HD video, and still delivers the same all-day 10 hour battery life* while remaining amazingly thin and light. iPad Wi-Fi + 4G supports ultrafast 4G LTE networks in the US and Canada, and fast networks around the world including those based on HSPA+ and DC-HSDPA.**
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The new iPad is already available in the US, Australia, Canada, France, Germany, Hong Kong, Japan, Puerto Rico, Singapore, Switzerland, UK and the US Virgin Islands and will be available in 24 more countries starting at 8:00 a.m. local time on Friday, March 23"

Source:  Press release from Apple, 19th March 2012