6. THE END

I was going to write a brief summary. Decided not to.

Acknowledgments

This work was supported by STFC (UK). I thank my collaborators on these topics — Maria Beltran, Pier Stefano Corasaniti, Marina Cortês, Juan Garcia-Bellido, Martin Kunz, Ofer Lahav, Samuel Leach, Julien Lesgourgues, Pia Mukherjee, Cédric Pahud, David Parkinson, Martin Sahlén, Anze Slosar, Roberto Trotta, and Yun Wang — for numerous discussions, with special appreciation for Pia and David's work with me on the nested sampling method. I also thank Sarah Bridle, George Efstathiou, Alan Heavens, Mike Hobson, Andrew Jaffe, Eric Linder, and John Peacock for many debates concerning Bayesian data analysis.

LIST OF ACRONYMS

AIC	Akaike information criterion
BIC	Bayesian information criterion
CDM	Cold dark matter
CMB	Cosmic microwave background
CosmoMC	[A software package for MCMC analysis]
DETF	Dark energy task force
FoM	Figure of merit
ΛCDM	Lambda cold dark matter (model)
MCMC	Markov Chain Monte Carlo
WMAP	Wilkinson Microwave Anisotropy Probe