Hello World
As a new blogger (out of hundreds of thousands already out there), and as a developer, my first post had to be "Hello World". I fondly remember my first experiences with Turbo Pascal 5.0, at the time the best development tool available.
You can get Turbo Pascal 5.5 even today: check this article by DavidI, who I had the pleasure to meet last June at the UML & Design World Conference (thanks Randy Miller for introducing me to DavidI).
