Washington: Microblogging and social networking service Twitter has come up with a new feature to add a fact box on users' timelines to help promote the ongoing COVID-19 vaccination effort.The new feature will provide people around the world with the latest vaccine information in their particular country, reported The Verge.The feature will appear as a massive unmissable box at the top of users' Twitter feeds on the iOS and Android apps, prompting users to "make sure you have the most up-to-date information on the coronavirus (COVID-19) vaccinations."The Verge reported that tapping on the link will take a user to a new Twitter event page with information about the vaccines, shown as a series of collected tweets from organisations like the.