3 ms·

US already has many "slightly dissimilar" paper sizes, this Letter, Legal, etc... so at least for A4, one more couldn't hurt right?

• smackfu 12y ago
  Currently you use letter unless you are required to use legal. When would someone use A4?
  • tellarin 12y ago
    Always.
  • NKCSS 12y ago
    In both cases :)