Quotes by Foursquare The institution of taxation rests foursquare on the axiom that somebody must rule somebody else. Frank Chodorov foursquare institutions taxation It's a matter of invitations versus context. Twitter is really good at providing context, like, I''m having coffee at Third Rail Coffee.' Foursquare is about invitations to places. In this respect Foursquare has started to replace Yelp for me. Jack Dorsey foursquare coffee matter