Nice, simple and effective bookmarkets

I went looking for an easy way to share web pages and ended up finding some browser plugins when what I really wanted were these bookmarklets. Lightweight, easy to understand and use and non-invasive. What are some of your favorite bookmarklets?
Feel free to check these out and even drag these buttons to your bookmarks bar if you feel comfortable.

Email this

Email a link to the web page you are currently looking at.

Facebook this

Share a link on Facebook to the web page you are currently looking at.

Tweet this

Tweet a link to the web page you are currently looking at.

PDF this

Generate a PDF of the web page you are currently looking at. So sad that JollyPrint is gone :(
Here's another PDF generator, but it requires your email address every time so it can email a link to the pdf. Not nearly as convenient!
http://www.pdfdownload.org/pdf_bookmarklet.html

P.S.,... creating those buttons to drag bookmarklets to the browser's bookmarks bar is pretty easy too:

// credits to: https://dev.twitter.com/docs/share-bookmarklet

<div class="bookmarklet">
<a href="javascript:void(/* bookmarklet js code */)">Bookmarklet this

</div>