With advances in digital communications, telecommuting has reduced the need for face-to-face meetings and written correspondence.

Just 150 years ago, a routine telephone call was not possible, images were delivered in person, and newspapers brought headlines of information that may have been days or weeks old. There was no television or radio coverage of world events. There was no World Wide Web for the world to share its collective knowledge.

Yet today, the ability to communicate with our business partners, colleagues, friends, and loved ones over long distances and at any time of the day is taken for granted. Via phone calls, e-mail, or fax, we transmit pictures, voice or text to almost anyone and anywhere at anytime. Communication has become faster, cheaper, and more commonplace. Mathematics is used to encode, transmit, and decode data in a practical and secure way. Mathematics drives the new technology and...