What is Microsoft infopath 2007?

Recently I have gone through a good article and I want to share with you.It provides the complete information about microsoft infopath and how to use ?where to use?

http://www.learnthat.com/Software/learn/1375/Microsoft-Infopath-Tutorial-and/
http://www.dotnetspider.com/forum/222333-What-use-infopath-forms.aspx