How wide is origami spread

It is spread widely.

As from the links that I had mention:

http://en.wikipedia.org/wiki/Origami#Groups_and_Organizations

There are three links which are:

http://en.wikipedia.org/wiki/OrigamiUSA

http://en.wikipedia.org/wiki/British_Origami_Society

http://www.origami-mitra.com/

These three links shows us that they are devoted in origami and forms to groups.
As they find origami enjoying and fun.

There are also website created by others to let us view their origami and share their experience.
The links are:

http://www.origami-club.com/en/

http://www.origami-resource-center.com/paper-crane.html

http://www.toddrjordan.com/origami/

There are also some website providing the steps for origami.
The links are:

http://www.howtoorigamiblog.com/

http://www.wonderhowto.com/arts-crafts/origami-video/

http://www.wikihow.com/Make-Origami

http://www.videojug.com/tag/origami

http://www.youtube.com/results?search_query=origami&search_type=&aq=f

There are also some instructions on how to origami when you buy the origami paper.