The meaning of the Acronym IM is...

IM is

• Irwin Maurice
• Indeterminate Meaning
• Induction Motor
• Index Movement
• Interactive Metronome
• Infinite Mind
• Internet Modulation
• Ivo Maissan
• Intermediate Modulus
• Illite And Minerals
• Image Moderator
• Immobile Monitor
• It For Meetings
• Iron Model
• Intentional Meditation
• Instructors Materials
• Interactive Management
• Interview Man
• Interactive Messaging
• Isolated Messaging
• Input Manager
• Imatinib Mesylate
• Ieoh Ming
• Ill Master
• Incompetent Moron
• Index Matching
• Imported Material
• Interim Maintenance
• Instant Messmischievous
• Instant Mess
• Interoperability And Multi
• Imaging Matters

More Meanings For IM:

• Information Model
• Intermediate
• Bitmap graphics (Sun raster file)
• Internet Machine
• Instant Messaging
• IntelliMouse
• Instant Messenger
• Internet Messaging
• Instant Messanger
• Instant Message
• In The Module
• Instant Messaging
• Instant Message
• Intellectually Mild
• Interrupt Me

IM is also in:

• Chat
• Databases
• Drivers
• File Extensions
• General
• Hardware
• Networking
• SMS
• Software