Microsoft has launched a series of ads focusing on login via face recognition, Cortana (Windows equivalent of Siri), and touchscreens, three features on modern Windows machines that are not found on the Mac.

The ads are simple, get straight to the point, and are comedy-free reminders of Apple’s Get a Mac campaign (I’m a Mac. And I’m a PC) that ran from 2006 through 2009.

The touch screen and facial login are fine features, but not groundbreaking. But one feature I truly do miss is Siri on my Mac. Last week, 9to5mac wrote that Siri was reportedly coming to the Mac this fall. Interesting timing, that rumor coming out just before this campaign hit. I wonder if Apple knew this was coming, got the word out to blunt Microsoft’s campaign.

Either way, I suspect getting a proactive version of Siri running on two different platforms (Mac and iOS) is no easy feat. After all, though the objects that make up the iOS and Mac developer soup are similar, they are different enough that they might require one more operating system rev to get them close enough to share Siri properly. Just a thought.