article_snippet: The president, pictured, currently follows more than 640,000 different accounts on the social media website .
article_snippet: President Obama was one of the first politicians to harness the power of Twitter and currently follows more than 640,000 different accounts.
article_snippet: These include both celebrities and ordinary people.
article_snippet: In 2012, a picture posted of him hugging him wife Michelle after winning a second term in office, with the caption 'four more years', became the most retweeted post of all time.
highlights_snippet: Obama currently followers 640,000 users on the social network .