Double-clicks and keystrokes could give way to mouse gestures and other forms of complex user input.

On the surface of it, it doesn't look like much, but the device supports multitouch and standard mouse gestures.

Things like mouse gestures, or the page that shows thumbnails of your favorite sites when opening a new tab were first introduced in Opera.

Among the extensions that probably won't make the Tuesday deadline are Mouse Gestures and Minimize to Tray, though both are expected to release updates eventually.