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A brief review of Compton scattering off the deuteron in Chiral EffectiveField Theory, including gauge invariance and the correct Thomson limit. Wemodel-independently determine the iso-scalar, spin-independent dipolepolarisabilities of the nucleon at zero energy from all Compton data below 100MeV as \alpha_{E1}^s=11.3+-0.7_{stat}\+-0.6_{Baldin}+-1_{theory},\beta_{M1}^s=3.2-+0.7_{stat}+-0.6_{Baldin}+-1_{theory}, each in 10^{-4} fm^3.Proton and neutron polarisabilities are therefore identical within(predominantly statistical) errors.Comment: 3 pages LaTeX2e, including 1 figures in 2 .eps files embedded with  includegraphicx. Contribution to the 5th International Workshop on Chiral  Dynamics, Theory and Experiment, Durham/Chapel Hill NC (USA), 18th -- 22nd  September 2006. To be published in the proceeding

Nucleon Polarizabilities from Deuteron Compton Scattering, and Its Lessons for Chiral Power Counting