Google quietly updates local search with an image carousel

It's hard to keep track of new Google features. They can show up as Google trial balloon and surprise you one day. And then the next day poof they're gone. But one big addition to Google search--introduced with little fanfare over the past couple days--has been a carousel of images served up when making local search requests. If you've searched Google for something local recently there is a good chance you've seen what I'm talking about. Google's local carousel showcases images of nearby busines...