About the Author: Jorgen Wallgren currently works for Flecon Multi System Pte Ltd in Singapore, which designs and manufactures Intelligent Guestroom Control Systems for hotels. As System Application Manager, Mr. Wallgren is involved in sales, marketing and technical applications, with Indonesia as his main market. He graduated from the Royal Institute of Technology in Stockholm with a M.Sc. degree in Mechanical Engineering. He moved to Singapore in early 1991.