 what it referred to as modified emojis on Twitter, to find out if the modifiers contributed to self-representation. Alexander Robertson, an emoji researcher at Google and PhD candidate involved in the study, said the emoji modifiers were used widely, but it was people with darker skin who used them in higher proportions and more often. Instead, some white people may stick with the yellow emoji because they don't want to assert their privilege by adding a light-skinned emoji to a text or to take advantage of something that was created to represent diversity.