Daniel Larson says - "We have a nice autodiscovery tag that's standard for RSS-- how about a standard OPML autodiscovery tag?"
So just as we now see the standard orange feed icon in the Firefox address bar when we visit a webpage (eg. blog) with a feed can we expect to see the blue OPML icon show up beside it if there are also OPML urls on the page, in some future version of the Mozilla browser? Now that would be very handy for use with services like Zimbio which produce customizable OPML for topic portals based on user preferences. Just click on the icon and add the complete hierarchy to your feed grazer or next generation aggregator, eg. like the grazr* panel below for a customized view on the Entrepreneurship portal on Zimbio -