Virgin America Elevate - Virgin America & Google

Virgin is utilizing their new partnership with Google:

From July 1 to September 30, you can try out a new Chromebook in the terminal and on select flights from San Francisco, Dallas-Fort Worth, Boston, and Chicago, exclusively on Virgin America.

You can "check-out" the new netbook to use on the flight.

just saw this on the website. For use on the flights, do you have to be flying between two of the airports listed, or just departing from one of the listed airports?