Android Adb Fails To Display Devices On 2011 Macbook Pro

Just began working on a new 2011 Macbook Pro only to find ADB cannot see any of my devices. This occurs under Eclipse in DDMS and when I run ./adb devices. I have found some discus

Solution 1:

Finally found a solution, seems the tethering software I had installed on the macbook was interfering with ADB: http://www.intohand.com/blog/?p=116

Applying the fix made it "just work" again:

sudo rm -rf /System/Library/Extensions/EasyTetherUSBEthernet.kext