[Zope] Zope X Plone

Hi! I'm a new Zope programmer, and I want to know:1) What is the relation between zope and plone?2) What is plone and when I use it? Thanks. Tatiane _________________________________________________________________ Confira vídeos com notícias do NY Times, gols direto do Lance, videocassetadas e muito mais no MSN Video! http://video.msn.com/?mkt=pt-br