It’s been exactly 20 years since readers around the world were first introduced to Harry Potter, the bespectacled boy wizard who lived beneath the stairs of No. 4, Privet Drive, in an imaginary England.
In a nod to the 20th anniversary on Monday of J.K Rowling’s Harry Potter and the Philosopher’s Stone — titled Harry Potter and the Sorcerer’s Stone in the United States — Facebook presented its users with an easter egg, Mashable reports.
Read more: The ultimate Harry Potter quiz — find out which house you truly belong in
Here’s how it works: type the name of any of the four Hogwarts houses — Gryffindor, Slytherin, Ravenclaw, and Hufflepuff — into a post or comment and it appears in that house’s color. An animated wand appears when users click on the names, casting a colorful spell.
The word Harry Potter also appears in the red hue of the young wizard’s house, Gryffindor. The words Albus Dumbledore, Hermione Granger, Ron Weasley, and Draco Malfoy appear in the usual muggle manner.
[Mashable]
More Must-Reads From TIME
- The 100 Most Influential People of 2024
- The Revolution of Yulia Navalnaya
- 6 Compliments That Land Every Time
- What's the Deal With the Bitcoin Halving?
- If You're Dating Right Now , You're Brave: Column
- The AI That Could Heal a Divided Internet
- Fallout Is a Brilliant Model for the Future of Video Game Adaptations
- Want Weekly Recs on What to Watch, Read, and More? Sign Up for Worth Your Time
Write to Joseph Hincks at joseph.hincks@time.com