QUaD Conclusions QUaD was decommissioned fall 2007 after three seasons of operation Results papers: Pryke el al - http://arxiv.org/abs/0805.1944 Brown et al - http://arxiv.org/abs/0906.1003 These results: Improve considerably over previous pol. results (for l>200) Are consistent with LCDM - model passes test! The polarization signal cancels when difference 100 and 150 GHz maps No evidence for foreground contamination yet...