In a rare move, Apple last week issued a silent update to OS X Mavericks Gold Master as the company is supposed to share pricing and availability information about the software at today's iPad event. And conveniently just a few hours ahead of the big reveal, a few high-profile websites have now flipped the switch on Safari push notifications.
For those uninitiated, this is a new feature of OS X Mavericks that allows web applications to send alerts which go straight to the Notification Center, even when Safari isn't running.
Only a handful of websites have activated the feature, though others are expected to follow suit as soon as Mavericks goes public, which some watchers think might happen during today's event...