CNET Senior Editor Donald Bell walks you through the process of sharing music on Spotify, including posting to Facebook or Twitter, copying direct links to songs, or putting your Spotify listening habits on Last.fm.
One example is down in the bottom-left corner near the Now Playing window. Here you'll find a Share button that will blast out a song link and personal message to your linked Facebook, Twitter, Spotify, or Microsoft Messenger accounts.
For a video version of this tutorial, check out CNET's How To blog.