verbosus··on Subtle Sans: A Free (Pay What You Want) FontIdeal Sans is a proprietary typeface by the Hoefler & Frere-Jones type foundry, and it is most definitely not available for free on Google Web Fonts. http://www.typography.com/fonts/font_overview.php?productLin...
verbosus··on Frustro: The Impossible TypefaceA similar idea, but executed in an even more interesting way can be found in the typeface Priori Acute, designed by Jonathan Barnbrook and released by Emigré in 2010. I urge you to check it out: http://www.virusfonts.com/fonts/priori-acute