http://tc.eserver.org/authors/Ragle-Davis,_Robin A bibliography of works by Ragle Davis, Robin in the field of technical communication. en-us Copyright (c) 2005-08 by the EServer. All rights reserved. tclib-editorial@eserver.org (TC Library Editorial Board) webmaster@eserver.org (Geoffrey Sauer) http://tc.eserver.org/images/newlogo.gif http://tc.eserver.org/dir/Ragle-Davis,_Robin http://tc.eserver.org/32648.html http://tc.eserver.org/32648.html Deep down below the layers of interface, CSS, HTML, and XML—down where only the geekiest among us roam—everything comes down to this: it’s all zeroes and ones. On or off. The digital switch Though interaction and conversion becomes a bit more complicated at the point the interface meets the visitor, though there are a few more shades of gray, in the end it comes down to the same thing: yes or no.