Thing # 17

This was frustrating. I couldn't make it work. I clicked on firefox but was told I need Mozilla - version M15 or later. I don't know what that is. I was also asked to register. I don't want to register for another search engine. I'm already using del.icio.us. I don't think I need another similar tool. I don't see any advantage over tagging and I'm already doing that. I'm moving on to thing 18.