mIRC

• Based on multiple servers with multiple channels
• Used to download multiple file types including .mp3
• Pro- Good for finding whole cd's rather than one or two mp3's by the same artist
• Con- Not as good for finding rare items by artists, and cannot tell before
  download begins the speed of the sender

Napster

• Used to download .mp3 files
• Based on one large server
• User can search for an artist and/or song title
• User also has options of number of matches and
  can limit type of matches including ping and connection type
  of the sender
• User can also decide to share or not share their own mp3 files
• Pro- excellent for finding those hard to find songs, also can limit matches to
  those who have fast internet connects to cut down on download time
• Con- Not good for finding a whole cd by one artist