Press This — Support — WordPress.com
Press This provides a lightning-fast way to grab text, images, or video from any website and post it to your blog without ever visiting WordPress.com. You can also use Press This to quickly share a link on your blog.
It only takes a second to get the Press This mini-application going. Simply go to Tools -> Available Tools in your dashboard and find the link to the bookmarklet:
for Detailed information about press this use the given link below:-/