“Planning review and approval is also necessary for the installation of this sign. For example, when you say, 'Find us on Facebook' and link to your Facebook Page, its appropriate to use the 'f' logo. The primary use of the 'f' logo is to promote your organizations presence on Facebook. It’s used to represent Facebook the product (website or mobile app). The X appeared after San Francisco police stopped workers on Monday from removing the brand’s iconic bird and logo from the side of the building, saying they hadn’t taped off the sidewalk to keep pedestrians safe if anything fell.Īny replacement letters or symbols would require a permit to ensure “consistency with the historic nature of the building” and to make sure additions are safely attached to the sign, Patrick Hannan, spokesperson for the Department of Building Inspection said earlier this week.Įrecting a sign on top of a building also requires a permit, Hannan said Friday. The 'f' logo is one of our most globally recognized assets. SAN FRANCISCO (AP) - The city of San Francisco has opened a complaint and launched an investigation into a giant “X” sign that was installed Friday on top of the downtown building formerly known as Twitter headquarters as owner Elon Musk continues his rebrand of the social media platform.Ĭity officials say replacing letters or symbols on buildings, or erecting a sign on top of one, requires a permit for design and safety reasons.

Official twitter logo