Surface Pro 4 ad uses Cortana to take down the iPad Pro

Shots. Fired. Microsoft just lobbed a piping hot, tablet-sized dose of shade at Apple's iPad Pro, and it's delicious.  SEE ALSO: Apple pushes iPad Pro as 'computer' in latest ad Microsoft on Tuesday posted a new commercial on YouTube in which the Surface Pro 4 and Cortana take on the iPad Pro and Siri, with Cortana running down a list of its features. Predictably, the voice of Siri stumbles through the commercial as it comes up short (in Microsoft's estimation) on every point made by Cortan