All, I see that open source eye trackers are starting to appear: http://rmantiuk.strony.wi.ps.pl/projects/diy/index.html
Some software here: http://www.gazegroup.org/downloads/23-gazetracker Does anybody have experience using these systems? Are there any sites offering low cost (ie, a few hundred pounds/dollars) hardware? -- Derek M. Jones tel: +44 (0) 1252 520 667 Knowledge Software Ltd blog:shape-of-code.coding-guidelines.com Software analysis http://www.knosof.co.uk -- The Open University is incorporated by Royal Charter (RC 000391), an exempt charity in England & Wales and a charity registered in Scotland (SC 038302).