If you wanted webfonts on iOS versions before 4, you had to use SVG fonts on tha...

richbradshaw on Jan 25, 2011 | parent | context | favorite | on: Mythbusting: Why Firefox 4 won’t score 100 on Acid...

If you wanted webfonts on iOS versions before 4, you had to use SVG fonts on that platform. They weren't great though, and having the choice to use TTF/OTF now is much better.