I need hyperlinks as Session Custom Variables, but really I think many data types that already have Custom Variables - like Client, where I might want a link to the client's user profile on a non-major Web service (i.e. LinkedIn, facebook, etc.) - really need the option as well. I'm aware I can use a Custom Variable of type text field for them, but I'm using all the ones I've got already, and also knowing that it's a hyperlink in the data field can add functionality to use cases without having to verify the type with a regular expression first.