I’ve had an idea for yet another plugin. I think I’ve seen some similar things for WordPress, so maybe that’s where it is coming from.

The idea is to build  a plugin that replaces specially formatted  HTML comments or custom tags with predefined content. This could be used as an alternative marketing system. The rules for picking content to insert could be as complex as you want, include regular expressions, start/end date and more (perhaps conditions like login status, referrer, etc).

This would allow to add marketing images, etc anywhere on the site, and even in static  and ez pages!

Any volunteers??