The feature you didn't know you wanted for Instagram has finally arrived: pinch-to-zoom. Surprised it wasn't already there? Don't be. Originally, Instagram didn't support large enough images to warrant enlarging -- but last year, that changed last year when the company bumped its default image size up to 1080 x 1080. Now, we're seeing the fruits of that upgrade: starting today, iOS users can pinch and zoom any image or video in their feed. On Android? Sit tight. Instagram says the update will roll out to additional platforms in a few weeks.