"Ryan Calo, co-author of a legal essay titled “Regulating Bot Speech,” says it’s also not always easy to track what is commercial or political, especially when bots can generate unpredictable text.
“There’s still concern over how we know that this is proposing a commercial transaction, how do we really know its influencing an election?” Calo says. “What’s the line, and people who operate bots that are political in nature or people who operate bots that have anything to do with commerce, are they going to be chilled?”"