Microsoft has posted a new television ad on YouTube for the Dell XPS 10 Tablet running Windows RT. The ad, which somewhat reminiscent of Apple's Mac vs. PC spots, use Siri's voice to compare the Windows Tablet to the iPad. A similar spot featuring the ASUS VivoTab Smart was posted last month. Sorry, I don't zoom like that. Ouch. Ouch. You can't put an SD card there. Or there. Or there. You can do two things at once? That's cool. Oh. That's not cool.Microsoft has come under some criticism for a comparison page it posted back in May that inaccurately depicted a Windows Tablet as
