Ul for topic links 3.0

It seems like you may be referring to a specific topic related to "Links 3.0" in the context of UL (User Level)/UI (User Interface) design or perhaps in another field. However, without additional context, it's a bit challenging to provide a specific answer. If you could provide more details about what you mean by "Ul for topic links 3.0," such as the field or context it relates to, I’d be happy to help you further!