A Venti iced size (24 ounces) at Starbucks is equal to two
Tall (12 ounces). If you buy a Venti and split it with a friend
you can save over a dollar each.
Incidentally,
Short [8 fl. oz.], Tall [12 fl. oz.], Grande [16 fl. oz.],
Venti Hot [20 fl. oz.], Venti Cold [24 fl. oz.] and Trenta
Cold [31 fl. oz.]