Lyza Danger Gardner is a dev. Since co-founding Portland, Ore.-based mobile web start-up Cloud Four (http://www.cloudfour.com) in 2007, Lyza has tortured and thrilled herself with the intricate ins and outs of the bazillion devices and browsers now accessing the web globally. Lyza and co-founder Jason Grigsby are the authors of Head First Mobile Web (O’Reilly).