It’s not just your Google keywords anymore. Advertisers are developing ads to target consumers based on the emojis they use. With Twitter’s new emoji tracking tool, advertisers can track how and when users post emojis and determine users’ emotional state. Depending on those feelings, they can deliver ads that best match their emotions at that time. Advertisers say that this will allow them to deliver more relevant ads, but there are opposite concerns about consumer privacy. Watch this video to learn how advertisers are using this tool and how it changes the ads users see on Twitter.