AUTHOR=Pérez-Castaños Sergio , Antón-Merino Javier , García-Hípola Giselle TITLE=Could you teach new tricks to old dogs? An analysis of online communication of political leaders in Spanish regional elections JOURNAL=Frontiers in Political Science VOLUME=6 YEAR=2024 URL=https://www.frontiersin.org/journals/political-science/articles/10.3389/fpos.2024.1490834 DOI=10.3389/fpos.2024.1490834 ISSN=2673-3145