But that alone does not rule out introduction of a fully-fledged guest conductor system elsewhere.

ECONOMIST: Why Berlin��s musicians don��t need a maestro

Initially, the illegal migrants now in the U.S. would mostly "avail themselves" of the guest-worker system, says Mr. Rubio.

WSJ: The Weekend Interview with Marco Rubio: Riding to the Immigration Rescue

The guest rooms and suites also feature an intelligent-thermostat system, though when I visited, it wasn't hitting on all cylinders: My room was perpetually chilly, and my clothes and sheets slightly damp--humidity being a major annoyance in this seaside megacity.

FORBES: The Oberoi, Mumbai

Instead of screen scraping the hotel reservation system and calling it a mobile app, a system of engagement presented on a smartphone will know that a guest has entered the lobby for the first time and probably wants to check in.

FORBES: A Billion Smartphones Require New Systems Of Engagement

One with particular implications for the free enterprise system, Microsoft v. i4i, was the subject of a Guest Commentary post at our Legal Pulse blog.

FORBES: Colorful Scalia Opinions Emphasize Bedrock Rule of Law Principles

About the guest blogger: Lisa Falzone is the Founder, President and CEO of Revel Systems, a full blown POS system for retail and restaurant locations.

FORBES: Team Up Or Operate Alone: The Benefits Of Partnering (My Tech Startup)