Myriad (typeface) Apple typography"), but it has now been replaced by San Francisco. More recent iterations of the iPod (from the iPod photo onward) used Podium Sans, which has similarities with Myriad (as opposed to Chicago), for its user interface. However, the iPod Touch and iPhone 3G replaced Podium Sans with Helvetica, which became the system font for OS X starting with OS X Yosemite. Myriad was included with the third generation of iPod. Adobe ships a large subset of the Myriad Pro family with a number of their products, including Adobe Reader. Myriad is also used in the corporate identities of
Helvetica used Helvetica as the system typeface of iOS until 2015. Helvetica has been widely used by the U.S. government; for example, federal income tax forms are set in Helvetica, and NASA used the type on the Space Shuttle orbiter. Helvetica is also used in the United States television rating system. The Canadian government also uses Helvetica as its identifying typeface, with three variants being used in its corporate identity program, and encourages its use in all federal agencies and websites. In the European Union, Helvetica is legally required to be used for health warnings on tobacco products such as e.g.