Imeem.com is a music sharing website that allows users to browse, play, and upload a wide variety of music and audio files. Key features include playlists to organize songs, updates on newly uploaded content, and the ability to upload files, create blogs and groups, and find jobs. However, the site faces challenges around copyright issues with unlicensed uploads, limited options to save or download files outside the website, inconsistent audio quality, and occasional slow performance due to high traffic.