In the article "The Importance of Daily Typing Practice" Burt Cotton  states,
In today’s society, typing is the key to getting a great job. Most jobs require
some degree of computer work, and knowing how to type quickly and efficiently
will make you more marketable than your fellow worker who simply “finger pecks”
at the keyboard. You can honestly state, that learning to type is an investment
in your career future

Online Typing Sites:


This is a 
free online typing tutor and includes lessons, games, and certifications. Whether you are a beginner or a skilled typist, this self-paced program will assist you in reaching your desired goal.

 Sense-Lang  Some interesting games to help you practice

 Typing Test  A typing tutor and games

 Online Typing Games  A variety of typing games