For many writers and gamers, nothing beats an old-fashioned “clicky” keyboard. But the keyboard’s feel depends on what sort of mechanical switches are used in the keys, and there are a number of different types. Even the vaunted Cherry MX switches come in several different color-coded varieties. Alex Cocilova, writing for PCWorld, explains the differences in available switches — including required actuation force, noise, and multitasking performance. If you’ve been considering a mechanical keyboard, be sure to read this first. follow link
Type Faster on an iPhone or iPod touch
When typing on an iPhone or iPod touch, to end a sentence quickly and get ready to start the next one, double tap the Space bar. You'll insert a period followed by a space. You can turn this shortcut on or off via the Shortcut slider in Settings > General > Keyboard.
Mechanical Keyboards Explained
I love those keyboards (I have around 4-5 of the clicky kind alone), so all information is interesting.
By the way, I *finally* found a portable keyboard for my iPad which is somewhat Clicky. I wrote this: