Wal-Mart's latest undertaking has been met with mixed reviews. Labeled everything from "audacious" to "game-changing" and often compared to Wal-Mart's 2003 RFID mandate, find out how industry enthusiasts are reacting.
SAP, Oracle, Sage Group, Infor and Dassault Systemes round out the top five. Find out which other companies brought in enough revenue in 2008 to make this list.