An organization is considering using Web 2.0 technologies in all projects in order to improve their
web applications. Which application would benefit most from the use of Web 2.0 technologies?

A.
a web services project

B.
an EJB application that implements a banking backend application

C.
an existing JSF-based application that has been completed but has serious performance problems

D.
an existing web-based application where the user interface is being revitalized