<p>Email as a communication tool has been used since the 1960s. Commercial use of email is still relatively young.</p><p>Today, email is dominated by one company: Google. Estimates show that over 50% of all people with email use Gmail! If you picked up this book, you probably have one or are considering getting one.</p><p>For its email service, Gmail is easy enough to use&mdash;compose email, send email, done! But there&rsquo;s more to Gmail than sending and receiving email. How do you get not-Spam emails to stop showing up as Spam, for example? What on Earth are labels? And how do you get email forwarded to another inbox?&nbsp;</p><p>If you want to be a power user, then read on!</p>