by Gina Trapani I visited a friend at her office recently, and watched her launch Internet Explorer on her computer. "Um, there's this new-fangled thing called tabbed browsing," I told her, teasing. "You should try it some day. It's totally bleeding edge." She looked at me, annoyed. "I'd use Firefox but I don't have privileges to install anything on this computer. It's for SECURITY REASONS." Sound