LeafSnap is an electronic field guide – actually, a collection of online field guides – that help users to learn about trees. The app includes a lot of basic information about trees, including many high-quality photos of various species; but LeafSnap’s claim to fame is undoubtedly the LeafSnap feature. To use the LeafSnap feature, the user takes a photograph of a tree they wish to have identified. The application then uploads the photo to a central database, processes the image with an algorithm, and provides the user with a species identification.