Luis Colina Robledo, Scientific investigator at CSIC / Co-PI of MIRI; Macarena García Marín, MIRI instrument scientist; Santiago Arribas Mocoroa, Investigation professor at CSIC, Member of the NIRSpec Instrument Science Team; Pierre Ferruit, ESA JWST project scientist and Marco Sirianni, ESA JWST development manager posing after the JWST Twitter Q&A that took place at European Space Astronomy Centre (ESAC) in Madrid, Spain, on the 27 of September 2016.