A quick snap from Prince William’s working day has social media talking about iPhones, ‘King vibes’ and the benefits of seaweed innovation… Presumably in an effort to show the public what the royals actually get up to day-to-day, Prince William took to social media earlier this week to showcase a behind-the-scenes look at an official royal visit to Wales. And while some royalists were quick to point out how regal the Prince of Wales looked on the train to Cardiff, others noticed a slight oddity within the picture, with William straying ever so slightly from typical royal protocol. Prince Willi…