Did you know emojis have been around since 1999?
This content originally appeared on Time.
Emoji may not have replaced text just yet, but they are getting closer: the pictorial icons have revolutionized digital communication since becoming a fixture of the iOS keyboard in 2011, and adopted by most other platforms soon after.
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Monday July 17 marks the fourth annual celebration of the pictographic language with World Emoji Day. And with 2017 also heralding events like the introduction of expanded human emoji and the premiere of the Emoji Movie, it looks like emojis are truly coming of age.
Here are 7 things to know about Emojis on their special day:
For the Third Year Running, the “Face with Tears of Joy” Emoji Reigns Supreme on Social Media
There Are Now 2,666 Official Emoji
Emoji Were First Invented in 1999, But Not Commonly Adopted Until 2011
Now, 5 Billion Emoji Are Sent Daily on Facebook Messenger Alone
They’re also wildly popular on Twitter, which regularly makes custom emoji for events and hashtags, and Instagram, where users can hashtag with emoji. Besides the "Face with Tears of Joy," people tend to love the red heart, the heart eyes smiley, and the kissing face smiley across platforms.
Over the Weekend, a Group Set a New Record for Dressing Up in Emoji Costumes Around the World
Dedicated fans gathered in cities like Dubai, Dublin, and Moscow to set a new Guinness Record for donning emoji-face costumes simultaneously in advance of World Emoji Day and the release of The Emoji Movie on July 28.
Some of the Most-Requested Emojis Include an Afro, a Bagel and Hands Making a Heart
Emojipedia tracks requests by popularity for the year, with other symbols like a bald person, takeaway coffee and a chef making a kissing face also showing up as some of the most-wanted additions in 2017.