Spiekermann also designed FF Meta, which is the font used for the Mozilla and Firefox wordmarks ( http://www.mozilla.org/en-US/styleguide/communications/typefac

Spiekermann also designed FF Meta, which is the font used for the Mozilla and Firefox wordmarks ( http://www.mozilla.org/en-US/styleguide/communications/typefaces/ http://www.mozilla.org/en-US/styleguide/communications/typef... ). So, the similarities between Fira and Meta aren't coincidental.