Tag Cloud Zen Cart Module - Version 1.4.5 Tag Cloud Zen Cart Mod generates Cloud of Tags, based on Zen Cart product names, Zen Cart category names, most popular(purchased) products, most viewed products etc. Product tagging becomes really popular now. Tag cloud can be used as a visual depiction of content tags used on a web site. Often, more frequently used tags are depicted in a larger font or otherwise emphasized, while the displayed order is generally alphabetical.