Here’s how you can activate Facebook’s hidden Harry Potter spells

On this day, 20 years ago, Harry Potter and the Philosopher’s Stone was first published. To celebrate this, Facebook has introduced a cool easter eggs.

On Facebook, you can activate them by typing words such as Harry Potter, Slytherin, Hufflepuff,  Ravenclaw or Gryffindor on both posts and comments.

After posted, the words will be highlighted with a certain color, each one indicating the house that the fictional characters used to represent. You are also able to replay the action by simply tapping on the word again.

Facebook is not the only one to celebrate the anniversary of Harry Potter. If you are on Twitter, using the hashtag #HarryPotter20 willl show a special Twitter emoji.

Google is another addition to the list. Android users can activate specific features by using certain Harry potter spells.  Saying “Lumos”, “Nox”  or “Silencio” to the Google Assistant will turn on silent mode or activate the torch.