This study found that female and male social media users did not differ appreciably in their interpretations of emoji functions in Facebook messages. This suggests that researchers and designers need not be unduly concerned about misunderstandings of emoji due to user gender; both females and males appear to understand (or misunderstand) emoji in similar ways. However, research findings for one platform do not necessarily transfer to other platforms. The norms of graphicon usage on different social media platforms need to be taken into account in research on emoji interpretation. The findings of this study have implications for automating emoji interpretation. Identifying pragmatic usage is a challenging task in Natural Language Processing [LID98]. We propose that some version of the emoji function taxonomy could be used to train a classifier to recognize emoji functions in public Facebook groups. The associations found in this study between emoji types and functions, if validated by further research, could assist greatly in identifying those functions.