Show HN: Snapdrop: Instantly share files between devices. No setup, no signup

Snapdrop is a web service that allows users to instantly share files between devices without the need for setup or signup. The service uses a web interface and supports sharing files between devices on the same network, as well as between devices on the internet. Users can select a file from their device and drag and drop it into the Snapdrop interface, and the file will be instantly available on other devices that have also accessed the service.