I love one trick ponies

from hellocheech.blogspot.com

The company came to prominence in 1959 with the introduction of the first plain paper photocopier using the process of xerography (electrophotography) developed by Chester Carlson, the Xerox 914.[5] The 914 was so popular that by the end of 1961, Xerox had almost $60 million in revenue. By 1965, revenues leaped to over $500 million. Before releasing the 914, Xerox had also introduced the first xerographic printer, the "Copyflo" in 1955.

When you do one thing, you have a good chance to be the best in the world.