Many expressions in natural language (e.g. left, interesting) are "perspective-sensitive" in the sense that their meanings nontrivially refer to the perspectives under which they are used. While the semantics of such perspective sensitive items (PSIs) garnered some attention in the 70-80s, the recent literature focuses more on specific subsets of them (e.g. predicates of personal taste, perspective sensitive anaphora, evidentials) and discussion on similarities and differences among PSIs is scarce. Furthermore, despite the recent developments in the study of context sensitivity, especially the semantics of indexical expressions and de se attitude, connections to perspective sensitivity have rarely been made. The purpose of this course is to bring together the views offered by these different trends in the recent literature, aiming at giving a better empirical landscape of PSIs and developing a formal theory of perspective sensitivity in relation to context sensitivity.