Code for free in-flight WiFi when flying Boston to BWI

If you're flying Boston to BWI on Airtran, you can get free WiFi from now until the end of 2009 by following these steps:

1. On the plane, select the "gogoinflight" SSID
2. Sign in or click "Buy" to create a new account.
3. On the "Payment Info" page, enter this code (case sensitive): BOSBWI
4. Click "Update Total".