San Francisco officials have launched an investigation into a giant 'X' logo installed on top of the Twitter building.

<div class="block">San Francisco officials have launched an investigation into a giant &#39;X&#39; logo installed on top of the Twitter building.</div>

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San Francisco Officials Launch Probe Into Giant 'X' Logo on Twitter Building

San Francisco city officials have launched an investigation into a giant X sign at top of the former Twitter headquarters installed as part of Elon Musk's rebranding efforts. The sign appeared after working after workers were stopped from removing the brands, iconic bird and the logo. Proper permits for sign. Alterations are required to ensure building safety and historical consistency.