There are Facebook pages devoted to adult colorers. There are coloring clubs. People who motivate themselves to pay off debt by coloring. Game of Thrones is making a coloring book.
What this means: Coloring is now a normal adult activity.
Thanks largely to a recent wave of publicity over the release of illustrator Johanna Basford’s second coloring book, coloring books as a whole have been enjoying their 15 minutes of fame.