Twitter has announced that they are working on major updates to the Discover section of their web and mobile apps.
These changes are being rolled out to the users accessing their network through the web browser or iOS/Android apps.
Twitter spoke about the personalization aspect of the stories highlighted here:
Starting today, the Discover tab will begin to surface content that is even more personalized and meaningful to you. We’ve incorporated additional personalization signals to select Discover stories, including Tweets that are popular among the people you follow and the folks they follow.