Thanks to Poosh you will never ever miss anything that is important to you. Articles of your favorite magazine, but basically any information from any service allowed to send Poosh Notifications.
If any of allowed services or magazines send a Poosh Notification you will receive it instantly on your Mac.
Simply install Poosh, Safari Extension and you can receive notifications right after. You need just OS X Mountain Lion, Notifications Center active for Safari and Safari 6+ which needs to be running.
Because you are able to choose who you want to receive notifications from, you will never since now receive anything unwanted. Simply check what you want and ingore what you don't.
Still don't have Poosh? What are you waiting for, go get it here.