It's one of those things where you don't know how noticeable it's going to be until you actually try it in hand. But tonight, we have it on good authority that Optical Image Stabilization (OIS) makes a noticeable difference when shooting video with the iPhone 6s Plus' camera. So much so, that it can make choosing between the 6s Plus and the regular-sized iPhone 6s, a device that lacks OIS, tougher than last year.
A few hours ago, Daring Fireball's John Gruber posted his annual iPhone review, and while the entire piece is a well-thought-out and nuanced read, one portion in particular stood out to me the most—his thoughts on OIS for the iPhone 6s Plus.