Guy Hart-Davis 
iPhone Geekery: 50 Insanely Cool Hacks and Mods for Your iPhone 4S 

Discover More Great Things to Do with Your i Phone 4S or i Phone 4!You already know how to do everyday things with your i Phone–make calls, take photos, enjoy music and movies, and play games. Now it’s time to take your i Phone to the next level and turn it into your home recording studio, professional-quality video camera, and handy computer for both business computing and personal productivity. i Phone Geekery shows you how to do all this, and much, much more. You’ll learn everything from keyboard secrets and power-user email techniques to ways to jailbreak your i Phone and recover space from its file system.Get your geek on! Learn how to: Load and sync content from multiple computers Use your i Phone as your home and car stereo Record your band on your i Phone–or use your i Phone as your backing track Take stunning macro, telephoto, and panoramic photos Turn your i Phone into your main computer Secure your i Phone against water, dirt, and grime Share your i Phone’s Internet connection with your computer Use your i Phone to control your computer remotely Jailbreak your i Phone and install apps Apple hasn’t approved Play Genesis, Nintendo, and arcade games on your i Phone under emulation And lots more!