It would seem that few Safari browser users have used (or even noticed) the Action button found on the menu bar at the top of Safari. It may be seemingly insignificant, but there are some pretty great time-saving things you can do with this itty-bitty button. By default, there are six actions to choose from:
Add to Reading List
The Reading List is a utility that allows you to save web pages to read later, and most importantly, off-line. By choosing this action, Safari will download the page (and its contents) for later review. When you’re ready, just click on the Reading List icon (the one that looks like a pair of glasses).
By choosing this action, you can add a bookmark to the page you’re on. This allows you to quickly jump back to it later (requires you to have Internet access).
Email this Page
When you choose this action, Safari will automatically generate a new email (using your default email app) and insert the current web page (along with the URL) into the body and prepare it for you to send. All you need to do is enter the email address of the recipient.
With iMessage integrated into OS X Mountain Lion, it’s easy to tap into Apple’s Instant Messaging network. When you choose this action, it will automatically prepare a Message for you to send to a friend/colleague. All you have to do is enter the name of the recipient.
When you choose the Twitter action, it generates a tweet (using your preconfigured Twitter account), including a link to the current web page. All you have to do is type a brief message (optional) and send. The tweet is automatically posted to your Twitter feed.
As with Twitter, the Facebook action allows you to quickly (and painlessly) post a link to the current web page to your Facebook timeline for your friends to see.