All this made possible by ADS-B:
https://t.co/7r7eDb8w9S
Also, someone built a system that takes photos and then identifies all the airplanes flying over his house:
skybot.cam
RT @NASA: On our Day of Remembrance, we pause to honor the members of the NASA family who gave their lives in the pursuit of exploration.…
Elon Musk offered $5k to remove a bot tracking his flights https://t.co/9QEY9bMR6H