The relevant portion of the article: In Settings > General > Keyboard you can now specify Shortcuts. Shortcuts are simply text macros: you enter a short phrase

The relevant portion of the article: In Settings > General > Keyboard you can now specify Shortcuts. Shortcuts are simply text macros: you enter a short phrase (btw, omg, etc.) and the iOS 5 input editor (SMSes, emails) will automatically expand those short phrases into full sentences. Whether this will prevent kids from typing in txtspk is another question entirely.