This week, two news items hit the tech wire which caught my eye. The most recent was a detailed article on pcworld.com (which I found via engadget.com) marking the 50th anniversary of the disk drive. This first disk drive, or RAMAC, is described as "humongous", had a seek time of "less than a second", stored all of 5 Megabytes and cost a whopping $10,000 per megabyte. The other news item was an...