I prefer handwritten letters over emails....

Mailing address: 

  Christophe Pallier
  INSERM Cognitive Neuroimaging Unit 
  CEA Neurospin, bat. 145 
  F91191 Gif-sur-Yvette

Email: 

  christophe at pallier.org

or 

  christophe.pallier at polytechnique.org

I cannot believe it myself, but I am on Facebook...