On 18 October 2009, James Dyson announced the release of a new product called the Dyson Air Multiplier. Designed to replace the desktop or window fan, the Air Multiplier is intended to provide smoother airflow and operate in a safer manner than similar products.
Detailed explanation: How Stuffs Works
No risk of injury due to the blades (baby safe?)
Smoother air-flow than normal fans
High price tag ($200 +)