Greatest Invention Since Sliced Bread!

This is the best invention since sliced bread.  Well, OK, it does actually slice bread, but what it does while slicing could revolutionize the whole bread industry.

This looks like it could be something out of a Star Wars movie, but it apparently exists.  It's the new bread toasting knife.  You can cut a slice of bread and toast it in under 2 seconds.

Is this the best thing since sliced bread or just plain dumb.