Jack Dorsey Getty

Twitter CEO Jack Dorsey hasn’t backed down in the past from voicing his issues with Facebook and Mark Zuckerberg, so it comes as little surprise that Dorsey had something to say about Facebook’s new all-caps logo.

Facebook announced on Monday that its corporate parent was rebranding with a new logo for „further distinguishing“ Facebook the app from Facebook the company, which oversees Facebook Messenger, Instagram, WhatsApp, Oculus, and more.

The new logo quickly drew laughs and jokes, including from Kanye West’s favorite founder, Jack Dorsey.

On Tuesday morning, Dorsey tweeted something simple and short enough to give most everyone an idea of what, exactly, he was trolling:

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But Dorsey’s trolling of Facebook isn’t anything new, given how many times in recent weeks the Twitter CEO has publicly criticized Facebook and Zuckerberg.

After Zuckerberg gave a talk at Georgetown University last month about free speech and Facebook’s legacy, Dorsey accused the Facebook CEO of using „revisionist history in all his storytelling“ about how Facebook was founded.

In his speech, Zuckerberg said that Facebook was created as a reaction to the Iraq War, a departure from the much-discussed tale that Zuckerberg founded Facebook as a social-networking site for college students after Facemash, his website ranking the attractiveness of Harvard students, was taken down.

Dorsey also said last week that Twitter would ban all political ads from its platform to further the belief that „political message reach should be earned, not bought.“ The announcement, done in a Twitter thread, was made just as Facebook was releasing its quarterly earnings and not long after it said it would not fact-check political ads or remove those with reported falsities from its platform.

Facebook’s controversial stance on political ads has faced mounting criticism from hundreds of its own employees, as well as Democratic lawmakers. Zuckerberg has defended it on the grounds of free speech, something that Dorsey explicitly called out in his tweets about Twitter banning political ads.

„A final note. This isn’t about free expression,“ Dorsey tweeted. „This is about paying for reach. And paying to increase the reach of political speech has significant ramifications that today’s democratic infrastructure may not be prepared to handle. It’s worth stepping back in order to address.“