From the article: Shake to Undo on iPhone
There are tons of not-very-well-known iPhone tips and tricks that make the iPhone more fun and useful (how shaking to undo typing or double-tapping the space bar for a period?). Share your favorite tips and tricks here to help others get the most out of their iPhones. Share Your Tips
Period tips and tricks
- I was able to do this shortcut up until the lastest software upgrade. Any idea why or how I can get it back?
- —Guest Kristen