"Unveiling the Hidden Kiss Emoji: A Brain Teaser Among Smileys"
In celebration of World Smile Day, a brain teaser has been created featuring a sea of smiley faces with one hidden kiss emoji. The day was started by artist Harvey Ball, who created the iconic yellow smiley face in 1963. The purpose of World Smile Day is to spread kindness and make others smile, and there are various ways to celebrate this day.