Some local residents aren't happy after a giant flashing X sign was installed on top of the San Francisco headquarters of Elon Musk's social-media company, formally known as Twitter. City officials say the sign was erected without a proper permit. Photo: Carlos Barria/Reuters

https://www.theaustralian.com.au/news/elon-musks-x-gets-giant-flashing-sign-atop-san-francisco-headquarters/video/9305b62699aab7ed4ec51028b1403a4e

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