Not too long ago, companies lived and died by their fax machines. With the push of a button, documents could be sent in an instant anywhere in the world. It was the fastest form of document transfer at that time. Fax machines are still used by many businesses today, whether it's sending a signed copy of a contract or communicating complex diagrams and hand-written notes. But it's the 21st century; shouldn't most work be completed on computers now?