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
Spacebar Magnifies Photos in iPhoto '08
In iPhoto '08, you can choose whether double-clicking on a photo will edit it or magnify it. I prefer my double-clicks to edit photos, but every now and then it's nice to magnify a photo. To do that, even when double-click is set to edit, just select the photo and press the Spacebar.
Pogue’s Tips for Extending iPhone Battery Life