Diego "Kartones" will be giving a tech intro to CartoDB at the next LocationTech Meetup in Madrid, where attendees can learn about CartoDB internals and its applications for mapping projects of varying complexity. The event is scheduled for October 21st from 6:30 PM to 8:30 PM at MediaLab Prado. LocationTech is a vendor-neutral community that hosts technology projects and provides services to foster an open-source community and commercial products and services ecosystem, supported by the Eclipse Foundation as a not-for-profit member corporation.