On March 11th, Apple launched the iPad 2 and sold over 300,000 of these units which equated to roughly $150 million in sales for 1 day! In addition, according to a survey conducted by research firm PiperJaffray, 70% of those buying the iPad 2 were new to the device. The photo above is a view of customers waiting in line at the Apple store to preview and probably buy the iPad 2 -- how great is that? So as meeting and event planners, what can we learn from Apple when planning a prod...