Manual typewriters existed for decades then became electric and became obsolete. But with the information highway came computers and desktop publishing and more obsolete equipment. There are many other examples which have undergone change with building materials being a perfect example.
In this case, traditional materials like wood, stone and brick have been around forever and are still used today. But steel has made huge inroads into the building and construction industries with the consequence that custom-built and pre-engineered buildings are shooting up across the country. And this growth in the use of steel is set to continue. Why? There are several reasons, and if you're looking to build, taking a cold hard look at steel would be a very wise move.