  The rapid evolution of information systems managing more and more voluminous
data has caused profound paradigm shifts in the job of statistician, becoming
successively data miner, bioinformatician and now data scientist. Without the
sake of completeness and after having illustrated these successive mutations,
this article briefly introduced the new research issues that quickly rise in
Statistics, and more generally in Mathematics, in order to integrate the
characteristics: volume, variety and velocity, of big data.
