How does the advertisement process work exactly? $FAMOUSPERSON joins platform and makes their first post. Were they a nobody, it would be screaming into the void.
Does the celebrity contact news outlets, “Hey guys, I joined Twitter, I will make my first post soon.”
Equally amusing because Huang could call any media organization on the planet and have a full interview that day.
Employees get told to like and repost. In any large company chances are there are multiple people with large audiences.
It only takes at most a few dozen folks to start it trending and then it starts to proliferate through the entire feed until it has tens of thousands of likes. It's not hard to find that many people to hit like on something like that.