What do you use your tablet for? Surfing the web? Engaging in some social media humblebragging? Paying your taxes? (reminder) All of these: perfectly valid tablet activities in which to engage. Tablets sure are versatile little buggers, but there’s one big feature, one that seems so obviously useful, that they’re all – as nearly as I can tell – missing. No tablets have the ability to display video. No, I don’t mean being able to decode and play back video files; I’m talking about video input. These tablets have some bright, beautiful, and ...