I use GoGo on Delta. Its a life-saver when I'm bored out of my skull on long flights back home. Not bad for emails and chat programs, just don't do anything that is data-intensive.
It is like a marching wall of soldiers just inching every closer and closer to the heart of the BA. I'll post this heat map again in about 3 months and we will see what happens to it. My guess, All RED!