The greatest e-mail in the history of e-mails.

"Dear Yahoo! Mail User,

"Thanks for using Yahoo! Mail. It's our goal to offer you an email experience that makes it easy and enjoyable to stay in touch. Periodically, we make service changes to enhance that experience for our users. As of June 15, 2004, you'll enjoy the following benefits:

"Increased storage capacity – from your current level to 100MB"

...and then who really cares what the e-mail says after that.