#4 Safari: Easily get to the places you go most. And will want to go next.

Safari in OS X Mavericks delivers blazing performance and introduces breakthrough technologies. Innovative new features make it simple to return to sites you visit often — and discover new sites as well. Shared Links in the new Sidebar shows links posted by people you follow on Twitter and LinkedIn, so you can keep up with interesting new content. There are also unique advancements under the hood. Thanks to the new Nitro Tiered JIT and Fast Start technologies in Safari, the web pages you visit feel snappier and more responsive. Browsing the web can take a toll on battery life, but with new power-saving technologies, you won’t waste energy on web pages in the background or plug-in content you don’t want to see.

#5 iCloud Keychain: Your passwords. Stored, encrypted, and automatically entered.

Remembering your passwords can be a real pain. But now iCloud Keychain remembers them for you.

#6 Multiple Displays: Do more on this screen. And that one.

OS X Mavericks takes full advantage of every display connected to your Mac, giving you even more flexibility to work the way you want.

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