This blog post from David Pogue of the New York Times offers some useful tips for how to extend iPhone battery life. Nothing truly surprising, but it’s a great reminder to check on push, location, and notification settings to make sure you’re not allowing apps to waste battery life working unnecessarily in the background. follow link
Move Multiple Windows Simultaneously in Spaces
Command-drag a window in Spaces to move all windows associated with the dragged window's application to a new space. Control-drag will do the same thing, and will also preserve the same screen position in the space in which you drop the windows.
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Pogue’s Tips for Extending iPhone Battery Life