O3 is best viewed in IE7 and Firefox 3+. Users attempting to view the site with IE6 will encounter signicant issues. O3 can be viewed with Safari 4, Chrome and Opera 9 without significant issues, but users may encounter rendering problems and issues related to clicking on links from invitations in their mail clients.

What about mobile browsers?

IGLOO is launching a Blackberry app and the site renders well on iPhone.