Like my friends, I'm in group chats with them ... SYME: Thank you. I hope people write letters and find joy in this practice. (SOUNDBITE OF JEAN-PHILIPPE ICHARD'S "PARIS JAZZ CLUB") SEGARRA ...

"When kids write letters, they're just messy," she says. As kids practice writing "A," each iteration is different, and that variability helps solidify their conceptual understanding of the letter.