The strong geographical bias, most obviously at the language level (e.g. Finland vs. Japan), and more subtly at the dialect level (e.g. in English used in north-west England vs. north-east USA vs. Texas, USA), clearly reflected in language use in social media services such as Twitter, has been used extensively either for geolocation of users<cite> (Eisenstein et al., 2010</cite>; Roller et al., 2012; Rout et al., 2013; Wing and Baldridge, 2014) or dialectology Eisenstein, 2015) .