PrintWhatYouLike is a free bookmarklet that lets you select regions of any web page and format them to make them suitable for printing. By using its on-the-fly editor to remove the content you’re not interested in before hitting your browser’s print button, you’ll save paper, ink and time.
I made a short screencast to show you how it works:
What are your favorite bookmarklets? Share them in the comments.
Related GigaOM Pro content (sub. req.): Report: The Real-Time Enterprise