How-does-Google-Glass-compare-and-contrast-with-Jon-Rodriguez's-Epiphany-Eyewear?

How does <a href="http://glass-apps.org/google-glass" title="Google Glass">Google Glass</a> and contrast with Jon Rodriguez's Epiphany Eyewear? <br/> http://www.quora.com/How-does-Google-Glass-compare-and-contrast-with-Jon-Rodriguezs-Epiphany-Eyewear