Carousel
The Carousel allows you to view, sort, select, and compare individual images at zoom levels 13–20. Use filters and editing tools to tweak how your images look, then create a snapshot collage or compare images to see how an area has changed over time.
Video Tutorials

Using the Carousel, Part One: Basic Tools

Using the Carousel, Part Two: Snapshot Tool

Using the Carousel, Part Three: Compare & Export to Movie

Using the Carousel, Part Four: Choose Bands