After Twitter CEO's Long Thread On Spam, Elon Musk's Pile Of Poo Emoticon. “The hard challenge is that many accounts which look fake superficially - are actually real people," Twitter CEO Parag Agrawal said. Parag Agrawal added, “Unfortunately, we don’t believe that this specific estimation can be performed externally, given the critical need to use both public and private information (which we can’t share). Externally, it’s not even possible to know which accounts are counted as mDAUs on any given day.”