Web applications like Gmail, Facebook, Campfire and Pandora are becoming more and more like desktop applications every day. Running each of these web apps in a separate tab in your browser can be a real pain.
Sick of mailto: links in your browser opening Outlook or Mail.app whenever you click them? You can tackle this problem with extensions or through other means, but Googler and HTML5 guru Paul Irish offers a simple, no-add-ons-required approach.
I recently blogged that you can now play Angry Birds in your web browser. This opens up all sorts of video analysis possibilities for physics lessons and assessment. Students can easily make their own videos or you can pre-record your own. Videos can be recorded using Jing, Screencast-O-Matic, or Camtasia Studio. Analysis can be done in Logger Pro or Tracker.