Perspectives doesn't work in the latest version of Firefox. Its home page says a new version is coming, though: http://www.cs.cmu.edu/~perspectives/firefox.ht

Perspectives doesn't work in the latest version of Firefox. Its home page says a new version is coming, though: http://www.cs.cmu.edu/~perspectives/firefox.html http://www.cs.cmu.edu/~perspectives/firefox.html