3 Examples of Mediums

Medium 1: GPS
Content: maps, text, audio, bluetooth connections
Message: Directions and help on hand without needing any previous preparation or written directions.
Medium 2: Bluetooth Technology
Content: Audio
Message: hands free cell phone communication without pushing any buttons or having anything on hand.
Medium 3: Blackberry Phones
Content: Text, audio, internet, video
Message: allows access to multiple tools on a mobile device without a computer or home phone or any other mediums all on one small device.