Forget tech roasting Mark Zuckerberg is big business; Bluesky strikes gold selling Zuck-mocking T-shirts that outsold two years of domain sales in a day
Bluesky's CEO Jay Graber wore a T-shirt mocking Mark Zuckerberg which quickly became a hit. The $40 shirts generated more revenue in one day than the company had in two years. The proceeds will fund the AT Protocol developer ecosystem. The T-shirt...

Subtle Jab at Mark Zuckerberg
The T-shirt worn by her mocked Mark Zuckerberg as she tweaked the T-shirt worn by the Meta CEO recently, reported Fortune.Graber's "Mundus sine caesaribus" written shirt (Latin for "a world without Caesars") was a jab at Zuckerberg, who earlier had worn a black T-shirt inscribed with "Aut Zuck aut nihil," a self-promotional reworking on the Latin phrase, "Aut Caesar aut nihil" (meaning "Either Caesar or nothing"), according to Fortune.
the shirts are back in stock!
— bluesky (@bluesky) March 18, 2025
we're accepting orders for seven days
world without caesars dot com pic.twitter.com/zSMrNA9eTF
Turning a Fun Idea Into Revenue
Although Graber's message was low-key, it resonated with people, and Bluesky soon started selling the shirts at $40 a piece, reported Business Insider.The company’s chief operating officer, Rose Wang claimed that within one day, the sales generated more revenue than Bluesky had generated in the last two years from selling custom domains, according to the report.
Fresh Batch Now Available
The initial batch of the T-shirts was sold out, and now, there is a fresh batch available, but only until March 25 at 12:00 p.m. PT, reported Business Insider. The sales page claimed "world without Caesars" shirts sale will end on March 25 at 12:00 p.m. PT, as per the report.How Will the Funds Be Used?
According to Business Insider, the proceeds from the sale of the T-shirts will be used to fund the AT Protocol developer ecosystem, the open network that Bluesky is built upon.FAQs
What does Graber’s T-shirt say?The T-shirt says “Mundus sine caesaribus,” meaning “a world without Caesars.”
Is there still time to buy the T-shirt?
Yes, a fresh batch is available until March 25, the sale will end at 12:00 p.m. PT.
The Economic Times Business News App for the Latest News in Business, Sensex, Stock Market Updates & More.
The Economic Times News App for Quarterly Results, Latest News in ITR, Business, Share Market, Live Sensex News & More.