Obviously, channel checks means they hacked into Tesla's e-commerce site hosted by Akamai, sniffed all the SSL transactions to those hosts, and then cracked the AES 256 bit encryption to watch the actual order flow. Plus, they positioned cameras in front of each Service Center and used micro-work transactions to get an accurate count of deliveries across the globe. Actually, that won't work. They have a drone watching the Fremont factory and can watch every vehicle loaded onto transport or delivered from the factory. That's it.