Home » Get Started On Twitter Badge » A _______ is a topic or hashtag algorithmically determined to be one of the most popular topics on Twitter at any given moment. A _______ is a topic or hashtag algorithmically determined to be one of the most popular topics on Twitter at any given moment. Advertisement 5shares Facebook LinkedIn Pinterest Twitter Email Quote Tweet Retweet Trend Tweet Join our listSubscribe to our mailing list and get interesting stuff and updates to your email inbox. Thank you for subscribing.Something went wrong.We respect your privacy and take protecting it seriously