An easy way for visitors to enter their emails is by commenting on a post. We did this recently for people to sign up for a notification email. Instead of using a plugin or custom function for a one-time email list, we just went with WordPress core functionality and used post comments for people to sign up. Then the trick is retrieving the comment information from the database for the sign-up post.

Good news! The new version-3.3 printed books are now available. The new books are better than ever, updated for WordPress 3.3 with new content, refreshed graphics, and new features galore. Each book is printed in full-color, with new extra-thick covers and slick spiral binding for laying it flat while reading. These features make the print edition feel really solid and durable, like you know you’re reading a well-crafted, quality book. Here’s a recent photo of the printed version showing how the chapters are color-coded and easy to recognize: