You can take a screenshot of whatever is on your iPad 2 / iPhone 4 by pressing and holding the Sleep/Wake button (top right) while quickly pressing and releasing the Home button (bottom center). The screenshot will appear among your Photos. This function is awesome if you receive a really funny text that you want to pass along (in all it’s glory) to your friends.
See Tip and Trick #30: Type in Multiple Languages
See Tip and Trick #29: Character Count Your Text Messages
See Tip and Trick #28: Accessing the Scientific Calculator
See Tip and Trick #27: Zooming on Google Maps
See Tip and Trick #26: Accessing “iPod” While Device is Locked
See Tip and Trick #25: Adding Accents While Typing
See Tip and Trick #24: Search Web/Wikipedia from Home Screen
See Tip and Trick #23: Quick Call Handling
See Tip and Trick #22: Email Web Pages
See Tip and Trick #21: Enabling “Caps Lock”
See Tip and Trick #20: Take Images Straight off Safari
See Tip and Trick #19: Setting the “Home Button” Double-Tap
See Tip and Trick #18: Invert Display Colors
See Tip and Trick #17: Turning Web Pages into Icons
See Tip and Trick #16: Refined Spotlight Search
See Tip and Trick #15: Ditch typing URL Extensions in Safari
See Tip and Trick #14: How to Sync Your Boomarks Using iTunes
See Tip and Trick #13: How to Use Enhanced Camera Functionalities
See Tip and Trick #12: Shut Down Running or Suspended Apps
See Tip and Trick #11: How to Create Folders
See Tip and Trick #10: How to Edit and Create Documents
See Tip and Trick #9: Set the Device to Self Destruct
See Tip and Trick #8: Choose an App for Opening an Attachment
See Tip and Trick #7: Orientation Lock the Screen
See Tip and Trick #6: Forget a Wifi Network
See Tip and Trick #5: Change Your Email Signature
See Tip and Trick #3: Download the PDF User’s Guide
See Tip and Trick #2: Check a URL Destination Before Opening It
See Tip and Trick #1: Save Battery Life with Data Push Frequency