I have been working with Lev Vaidman on the self-location uncertainty account of probability in the many worlds interpretation of quantum mechanics.
A preprint can be downloaded here.
On June 22 2016 I presented an earlier version of this paper at the Concepts and Paradoxes in a Quantum Universe conference, at the Canadian Perimeter Institute for Theoretical Physics.
My talk can be viewed here.
We are beginning work on a new paper on how many worlds can help make sense of some paradoxical quantum experiments.