2 ms·
http://edition.cnn.com/2013/10/18/tech/innovation/zookal-will-deliver-textbooks-using-drones/ http://edition.cnn.com/2013/10/18/tech/innovation/zookal-wil...
by benologist 13y ago
http://edition.cnn.com/2013/10/18/tech/innovation/zookal-will-deliver-textbooks-using-drones/ http://edition.cnn.com/2013/10/18/tech/innovation/zookal-wil...