Too much of a good thing -- We've heard a number of complaints that indicate you can overtrain a MessagePad to your handwriting. Too much training may confuse the poor little thing, causing recognition to decrease after significant usage. The only solution that seems to make any difference is to toss your preferences and start over. We hope Apple will have some suggestions about this problem soon.
How to Know Your iPod Model
If you have an old iPod but aren't sure exactly which model it is, check the info at the Web page linked below. You'll find lots of photos and information that will help you determine exactly which model you have.
Visit Identifying iPod Models