Is this the future of fast food? McDonald’s has #frynally given eager customers what they never knew they wanted: endless fries. No more ruined friendships over fry-grabbing! No more sneaky stealing from the bag before you get home! We are on the cusp of world peace, and all because of the humble potato! Okay, the future might not be as much of the obese utopia that we’re imagining. For one thing, this isn’t a new blanket McDonald’s policy — right now, only the so-called “McDonald’s of the Future,” which opened today in Saint Joseph, Mo., is offering the unlimited fries. And even that comes with a caveat: they’re for a limited time only, to celebrate the grand opening of the restaurant. More