Marco Arment on Thursday released a major update for his popular Instapaper service.

[ad#Google Adsense 300×250 in story]There are a lot of big changes across the board, including native sharing to Facebook, Twitter, Tumblr, Pinboard and Evernote. Arment said you the credentials sync so you only need to login to the services from one place.

Instapaper now gives you the ability to browse your friend’s Likes (formally Stars in Instapaper). Because it linked to your accounts, you can find friends from Facebook, Twitter or email addresses.

Instapaper 3.0 also includes also includes the ability to search the content of downloaded articles, smart rotation lock, Reverse tilt-scrolling direction and more.

You can download Instapaper 3.0 from the App Store. It costs $4.99 for the universal iPhone and iPad app.