Inventions that killed Businesses

The forward march of technology is both unforgiving and unstoppable. As it mercilessly weeds out the old in favor of the new, once-beloved products and services become less favored by consumers, while others simply become obsolete.

It's always been this way. The horse and buggy was once the dominant means of travel for Americans, but once the automobile was invented formerly solvent buggy makers found themselves out of a job.

This dynamic repeats itself whenever an invention comes along that significantly improves on a previous one. It's particularly true when the invention offers convenience and ease of use. What follows is a list of products and services that became so indispensable to consumers that they instantly lost interest in their previous favorites.

What are some inventions that killed other products and services? Click ahead and find out.