Interesting quesiton posed over at Small Business Computing: What is Mobile Commerce, and Why Should You Care?

Mobile commerce (also known as mobile ecommerce, m-commerce and other variations) consists of two primary components. The first is the ability to use a wireless phone or other mobile device to conduct financial transactions and exchange payments over the Internet. The second is the ability to deliver information that can facilitate a transaction -- from making it easy for your business to be "found" via a mobile Web browser to creating mobile marketing campaigns such as text promotions and loyalty programs. 

Head over to Small Business Computing to find out why you should care (you should)!