Ukrainian President Volodymyr Zelensky is the latest world figure who joined the viral bandwagon of 'one-word tweets' on the social media site. Zelensky tweeted the word 'freedom', reflecting the current situation in a war-torn country amid Russia's invasion. 'One-word' tweet began by the U.S rail service 'Amtrak'. Since then the social media site is buzzing with the viral trend. From U.S President Joe Biden to Sachin Tendulkar to several other celebrities and companies, all have joined the trend, posting their version of 'one-word' tweets. Watch this video to know more.