Google employees have begun to receive the long-awaited Ice Cream Sandwich update onto their respective Nexus S phones. Since the release has only been available to employees, this may indicate the release is in beta form which allows for employees to submit feedback on how the new OS is operating on the Nexus S. This may also be viewed as the ICS update may be closer to retail release … for all the other anxious Nexus S owners waiting taste the new OS.
Source Android Police