Hey! What is this thing called that you see in a blog?

http://www.gravatar.com/avatar/19d68...48&d=identicon


There about yey high and yey wide. Anyone might tell me the proper name for them? I see them in a lot of Japanese blogs. But I'm not sure what it is or what it is called. Thanks in advance for those who can answer my question!

I don't understand what you're asking.

Origami?

Here is an example:

http://www.blog-stardust.jp/miurariki/

Scroll down to the middle of the page

You should see this:
http://www.blog-stardust.jp/image/379/qr_miura.gif

Its a barcode quite a few phones, such as the N95, can read, usually it contains text, links, phone numbers, email addresses or images.