Nowadays, users can and often upload various media files to social networks, websites, and messaging apps. Most of those media are images and videos, with a significant number being audio files. Subsequently, to create a thumbnail to depict an image, a site or app would crop and then resize it to scale. To depict a video, they would convert, crop, and resize a single frame from it as a thumbnail.
In May 2018, Cloudinary sponsored Capitol Music Group’s first hackathon held by its new Capitol360 Innovation Center, which aims at connecting musicians and software technologists to facilitate and stimulate the creation of music. See this interview for details. As a starter project for the hackathon, we built a sample app called Music Discovery Service.