BarcelonaNovember 7, 2017 - On October 19 and 20, 2017, the 4th edition of the 4th edition of Digital 1to1 Europe, two intense days of work which brought together more than 300 international more than 300 international leaders of the European digital sector - leading European leading European companies, Institutions, FMCG, Etail/Retail, solutions Ecommerce, Digital Transformation and Digital Marketing experts - who revealed the challenges and innovations offered by the digital sector. - who revealed the challenges and innovations offered by the sector..