San Francisco (sans-serif typeface) and iOS 10 is a new variant named "SF Compact Rounded". It is used in the new contact placeholder icons introduced in the OSes. The "SF Serif" variant was showcased during the keynote at WWDC 2018 on June 4, 2018 when the all-new Apple Books app was introduced. This variant is exclusive to Apple Books in iOS 12 and macOS Mojave, is not mentioned in Apple's Typography design guidelines, and is not publicly downloadable like other variants of the San Francisco typeface. Since its introduction, San Francisco has gradually replaced most of Apple's other typefaces on their software and hardware
Myriad (typeface) Wells Fargo, Walmart, Valve Corporation, and Modern Telegraph, as the primary headline typefaces of those companies. Rolls-Royce uses Myriad in its text-based logo. The original Gmail logo used Myriad for the last three letters. The Linkedin and Mashable text-based logos use Myriad. The Royal Air Force uses Myriad Pro for most of its public publications. Myriad MM is the official font for the Tata group of companies. The metro company of Hong Kong, MTR, uses Myriad as its corporate identity font. KCRC (a former rail transport company in Hong Kong) developed Casey in 1996, which uses Myriad Condensed for English