How can you include this outdated information?

Hello,

This information is out of date. Gmail allows you to click the picture icon to upload a file from hard drive or cloud storage, directly from within the signature section of the settings. Get rid of this article which does nothing but wastes people's time.

Refers to article - http://ccm.net/faq/28509-how-to-add-an-image-to-your-gmail-signature