@CNN: Why typing in all-caps looks like you’re yelling (A brief history) https://t.co/Qw9hqBqlRp https://t.co/sTx628OUsx

@CNN: Why typing in all-caps looks like you’re yelling (A brief history) https://t.co/Qw9hqBqlRp https://t.co/sTx628OUsx