Reading recommendations -the History of Outlook

While doing some research for something entirely unrelated, I discovered an article covering the History of Outlook. As a Tech I found it interesting. The writer went over the history well and kept me wanting to read it from start to finish. its not to long, so if you have five minutes you might consider giving it a read:
it's hard to believe Office came out in 1990, over thirty years and going strong, impressive.