Queen Elizabeth tweets
Twitter has reacted to the Queen's first ever tweet.Science Museum

Queen Elizabeth II has taken to Twitter for the first time, announcing the launch of the Information Age exhibition at the Science Museum in London.

Using the @BritishMonarchy Twitter account, the Queen posted the tweet to her 728,000 followers.

Twitter users have taken the chance to welcome the monarch to the social media platform, including some advice from former Deputy Prime Minister John Prescott.

Other Twitter users appeared to be less impressed by the Queen's tweet, which is now one of the top trending topics on Twitter.