There's a limit to how many characters you are allowed to waste.
A snapping turtle!
The HYAT
Because it's a crime to drink and drive.
It's a wildly successful game that only has straight, white main characters (I stole this joke from somewhere but am not allowed to say where)
A rashtag.
Credit card chip inventor - Me, writing tweets
Answers below please.
It has the most character.
The characters in this book are entirely fictional.
Answer coming Fall 2017.
A Twitter post is limited to 140 characters
The sky's the limit for you".