In addition to all the other reasons, the IT industry is much, much younger than other industries. The 'web' itself is only 26 years old, shorter than a single

In addition to all the other reasons, the IT industry is much, much younger than other industries. The 'web' itself is only 26 years old, shorter than a single person's career. Punchcards were still in common use in the late 70s, again within the reach of a single person's career.