“…Legislative studies of this particular social media channel have, so far, largely focused on legislators' Twitter presence and activity around electoral campaigns (for extensive reviews, see Jungherr, 2014Jungherr, , 2016. Early studies found that legislators' party membership, age, gender, and seniority determine who uses Twitter and how often (Jackson & Lilleker, 2011;Lassen & Brown, 2011;Hemphill, Otterbacher, & Shapiro, 2013;Peterson, 2012). More recent research on the members of the European Parliament (MEPs), moreover, shows that voting systems, district magnitude, and seat safety are also important factors (Obholzer & Daniel, 2016;Scherpereel, Wohlgemuth, & Schmelzinger, 2016); presence and activity on Twitter increase with the incentives that these factors create for individual legislators to cultivate a personal vote.…”