Jimmy Wales had talked about few of his new initiatives at FSFS.in conference in Kerala, India.
Search Wikia is one of them. Unlike other search engines the methods of search indexing (algorithms) are open for all to see and understand. Would it change how the search engines work in future is yet to be seen.
Another one is Green Wiki, it aims to become the global clearing house of all information pertaining to Environmental Issues,Sustainable Living and the interesting "How to" pages that tell how you can start healing the planet right from your home .