In 1948, the first In-N-Out Burger was founded by Harry and Esther Snyder in Baldwin Park. Harry's idea of a drive-thru hamburger stand where customers could order through a two-way speaker box was quite unique. In that era, it was common to see carhops serving those who wanted to order food from their car. Harry's idea caught on and California's first drive-thru hamburger stand was born.
So get off your chair and Have a Double Double with fries and bask in the warmth of yet another MEAT QUEST location.
Also worth checking out is the Not So Secret Menu.